Osman Bey Osman (
Burak Özçivit; seasons 1–6) is the third and youngest son of
Ertuğrul Ghazi and
Halime Hatun. He is also the younger brother of
Gündüz Bey and Savcı Bey, and nephew of Selcan Hatun, whom he treats as his mother. He is the husband of Bala Hatun and
Malhun Hatun, and the father of Orhan, Alaeddin Ali Pasha, Fatma Hatun and Halime Hatun and father-in-law of Elcim Hatun, Gonca Hatun (Yakup Bey's daughter) and Holofira Hatun. He aspires to follow his father Ertuğrul and his grandfather
Süleyman Şah. He is attentive to his surroundings and good with a sword, like his father. He also disobeys his
beys, like his father, choosing his own path. His weakness is his care for those close to him, making him prone to traps. He humiliates his enemies on the battlefield and while negotiating with them, stoking a thirst for revenge. He is elected Bey of the
Kayı tribe in Season 2. He decides to marry a second wife (Malhun Hatun) as per his father's will, and also changes the Kayı flag. He continues his struggle for his free realm by conquering castles like
Kulucahisar, Marmaracik,
Koyunhisar,
Köprühisar,
Yarhisar,
Bilecik (
İnhisar),
Inegol, territory of
Yenişehir,
Itburnu, Lefke,
Kestel, Kite,
Atranos,
Karaçabeş,
Goynuk,
Mudurnu and
Mekece and
Karadin Castle. He also has
Karachisar castle and
Soğut and
Domaniç that was conquered by his father Ertuğrul. He now has determination of conquering Bursa. He is a true warrior who is very fierce toward his enemies and a kind ruler for his people no matter from which religion they belong. He finally announces his free state "Osmanli Beyliğı (Ottoman Beylik) approved by white bearded organization
(Aksakals) in season 5.Based on
Osman I.
Bala Hatun Bala (
Özge Törer; seasons 1–6), the first wife of Osman Bey, is the daughter of Şeyh Edebali and Ulduz Hatun, who died of a disease, daughter in law of Ertuğrul Bey and Halime Sultan, the sister-in-law of Dursun Fakih through her unknown sister. She is the mother of
Alaeddin Ali and Halime Hatun, Step-mother of Orhan Bey and Fatma Hatun. She is mother-in-law of Gonca Hatun (Yakup Beys's daughter) and step-mother-in-law of Elcim Hatun and Holofira Hatun. She is the
Chief Lady (Hanım/Baş Hatun) of the Kayi tribe and the head of the Bacıyân-ı Rûm (succeeding Aygul). She is a painter who is loyal to her father, her husband, the
Ahi brotherhood, and Selcan Hatun. She was best friends with Gonca Hatun (deceased). She is calm and patient, but is prone to heartbreak. A
Mongol stabbed her in Season 1, leaving her infertile and the subject of teasing. In Season 2, after her husband is elected
bey, she becomes baş hatun of the Kayı tribe, succeeding Selcan Hatun. She is upset when Osman decides to marry a second wife, due to his late father's will, although she accepts her fate. She attempts to find him a wife, which leads to her meeting with Aksu Hatun, whom Osman rejects because she is not the daughter of a
bey. Aksu is later killed by
Targun Hatun, who loved Osman but seeks revenge on him after he exiles her for poisoning Bala. Targun regarded Bala as an obstacle preventing her marriage to Osman. After killing Targun, Bala had tensions with
Malhun Hatun, who later becomes the second wife, although Bala and Malhun accept each other. Bala later becomes pregnant and gives birth to Osman's second son
Alaeddin Ali. Two months after the victory of İnegöl, she learns that she is expecting again and later gives birth to a daughter, Halime. In the first episode of Season 5, Bala's daughter, Halime is deceased, and Bala Hatun has a terrible disease. She eventually recovers. She is a warrior lady who is always at the forefront of conquests and wars supporting her husband Osman. Özge Törer won the
Best Actress of the Year award at the Crystal Globe Awards for her performance. The character is based on
Rabia Bala Hatun.
Malhun Hatun Malhun (
Yıldız Çağrı Atiksoy; [https://www.atv.com.tr/kurulus-osman/kadro/malhun-hatun Seasons 2–5), is the daughter of Ömer Bey, the second wife of
Osman Bey, daughter-in-law of
Ertugrul Ghazi and
Halime Sultan, mother of
Orhan and
Fatma Hatun. Step-mother of Alaeddin Ali Bey and Halime Hatun. She is Mother-in-law of
Elcim Hatun,
Holofira Hatun and step mother-in-law of Gonca Hatun (Yaqup Bey's daughter). She is the
Chief Lady (Hanım/Baş Hatun) of the Bayindir tribe and Yenisehir. She belongs to the Bayındır tribe, an Oğuz tribe settled in Ankara suffering persecution from Geyhatu. The tribe consists of 10,000 people and seeks to settle in Bithynia on Osman's invitation, which was one of the reasons why Malhun comes. She is skilled in archery and combat.She has a noble lineage of Beys formerly loyal to the Selçuk State and Sultan Alaeddin Keykubat. In the beginning she has tense relations with Bala, but eventually they get along. She is sent by her father to examine the western borders of the state. She discovers Dündar's ring in Söğüt, and attempts to find the traitors in the Kayı tribe herself. Osman then initiates a major battle with the Byzantines, with the support of Malhun Hatun which is historically known as the Battle of Domanic. She later marries Osman Bey after Osman is advised by Seh Edebali to marry another woman to get heir for his beylik and becomes pregnant soon after. She gives birth to Osman's first child Orhan. She administers Yenişehir trade. She is a brave hatun, supporting her husband Osman in battlefields and also accompanies him on his conquests. She is Devlet Ana of Ottoman Empire. At almost the end of Season 4 she is revealed to be pregnant with Osman's fifth child. Actress Yıldız Çağrı Atiksoy won Golden Palm Awards 2021 in the category of Best TV Series actress for her role as Malhun Hatun . Based on
Malhun Hatun.
Orhan Bey Orhan (
Aybars Kartal Ozson supporting in seasons 3–4;
Emre Bey, starring in season 5–6) is the eldest son of
Osman and
Malhun Hatun. Step-son of Bala Hatun. He was born to the joy of Osman and whole Kayi Tribe as the birth of Osman's heir was long-awaited. Elder brother of Alaeddin Ali, Fatma Hatun and Halime Hatun. Husband of Elcim Hatun and Nilufer Hatun. He is the Bey of Karachisar and Karaçebes Castle. He is a skilled fighter and a brave warrior, just like his father, and he always protects his siblings. He often goes to fights and battles along with Osman and his alps. He is in love with Holofira but later weds Elcim Hatun to strengthen the political alliance between the two Kayi Tribes. Later loses his wife and unborn child in unfortunate circumstances. He rescued Holofira from her forced marriage and married her. Based on
Orhan, the 2nd sultan of the Ottoman Empire.
Alaeddin Ali Alaeddın Alı Bey (Yaman Çınar Balcı, supporting in seasons 3–4;
Ömer Faruk Aran, starring in season 5-6 ) is the miraculous son of Osman and his first wife Bala Hatun. Step-son of Malhun Hatun. Younger brother of Orhan. Elder brother of Fatma Hatun and Halime Hatun. Husband of Gonca Hatun. He is the Bey of Akhisar Castle. He studied in a Madrasah and is well-versed in both deen and medicine. He is very brave, noble, wise and smart like his parents and grandfather. He also sometime accompanies his father and brother in wars. He is very attached to his mother, Bala Hatun. He is in love with Gonca Hatun, daughter of Yakup Bey whom he married secretly and had a daughter named Hayme who was still born. Based on
Alaeddın Alı Bey.
Boran Bey Boran (
Yiğit Uçan; starring in seasons 1–TBD) is one of Osman Bey's main supporters. He is the widower of Gonca Hatun and a close companion of Konur and late Göktuğ, Dumrul, Gence Bey and Cerkutay. He is a talented
bard and singer. He uses a sword. He is skilled in archery, and often also uses a bow and arrow in close combat. He is devastated after the death of Gonca Hatun and takes his revenge by killing Julia. He allies with Konur Alp to support Osman Bey when Gunduz Bey took over Kayi Beylik. Evolves over time with Osman bey and is with his children and him most of the time. Later falls in love with Esrigun Hatun in Season 4. At the end of Season 4 Osman made him the Bey of Koprihisar castle.
Cerkutay Bey Cerkutay (
Çağrı Şensoy) (seasons 1-TBD)is one of Balgay's former men. He laughs at everything. He is friends With Göktug. He likes to joke around, particularly with Boran Alp and Göktuğ Alp. He has a keen appetite for food and drink, often eating and drinking excessively. He is the Widower of Aygul Hatun, and the step father of Kayı Alp. In Season 4 he married Ulgen Hatun and they have a son named Cerkutaye Jr (Gazi Alp).
Konur Bey Berk Ercer (starring in seasons 3–5) as Konur Alp / Sarkis. He was a Seljuk commander who was the right-hand man of Vizier Alemshah. He has a scar on the left side of his face. Later had a change of heart by Seikh Edebali and sided with Osman Bey. He is a skilled warrior and best at carrying out secret missions. At the end of Season 4 Osman made him the Bey of Koyunhisar castle. Not be confused with Season 1 Konur Alp. Based on
Konur Alp.
Turgut Bey Turgut (Ruzgar Aksoy; starring seasons 3-TBD) is a Turk nobleman. Husband of Princess Mari. He became a good friend of Osman and helped him in his conquests. Osman gave him Inegol Castle.He went to Gazan Han with Sheikh Edebali in the end of season 4 and did not appear in season 5.
Dündar Bey Dundar (Ragıp Savaş; seasons 1–2) was the youngest son of Süleyman Şah and Hayme Hatun. The youngest brother of Sungurtekin Bey and Ertuğrul Ghazi, and the youngest adoptive brother of Selcan Hatun. Husband of Hazal Hatun and widower of Zöhre Hatun. Father of Aygül, Batur and Bahadır, adoptive father of Saltuk Alp. Uncle of Gündüz, Savcı and Osman is easily swayed by others. He was made substitute Bey while Ertuğrul Ghazi was on a mission in Konya. When the Mongols attacked, he preferred to bow down to them rather than fight, angering those who were close to Osman Bey. Tries to take over Gündüz's Beylik when he became the Bey instead of him and helps the Mongols against Osman Bey. Is manipulated by his wives. He became the Selçuk Sançak Bey, a Selçuk operative figure, for a while after he allied with the Mongols. He later accepts his mistakes and begs for forgiveness but was punished by Ertuğrul and sent out of the tribe for a while into Söğüt. He respects and is loyal to his older brother, Ertuğrul Ghazi. Later in Season 2, when Ertuğrul is on his death bed, he decides to betray his brother and nephews in order to seize the Kayı Beylik. He is angered when Osman becomes the Bey, collaborating with anyone against Osman. He is eventually executed by Osman for his treachery. Based on Dündar Bey.
Aya Nikola Nikola (
Erkan Avcı; starring seasons 2–3) was one of the best commanders in the
Byzantine Empire, much like
''Diriliş: Ertuğrul's'' Dragos. He was Komutan Fltyos's and Helen's best friend. He is an
atheist, unlike his
Christian counterparts. Nikola aspired to follow
Julius Caesar's footsteps and is skilled in pottery and making sculptures. He doesn't let the Kayı tribe live a second with peace, starting with a plague to briefly occupying Kulucahisar twice. Nikola seeks to become Emperor. He seeks to start a big war with the Turkish tribes, with the help of the
Templars,
Geyhatu and the
Cuman Turks. In season 3, he teams up with Tekfur Michael Kosses of Harmankaya and Tekfur Rogatus Laskaris of Bilecik. At the end of season 3 after losing Inegol Castle to Kayi, he was beheaded by Osman. Nikola was taken from a historical character.
Prenses Sofia as
Konur Alp: One of Osman Bey's most trusted men and one of his main Alps. Konur was very skilled in one-to-one combat with daggers. His tribe was raided by Mongols, causing his parents to have died and he and his younger brother Göktug to have separated. He was martyred by Göktug, his brother, who was manipulated by Balgay as Kongar for the second time. • as
Efendi Yannis: (also known as Ertuğrul Gazi): The third son of Süleyman Şah and second biological son of
Hayme Hatun, he was the brother of Gundogdu Bey, Sungurtekin Bey and Dündar Bey and adoptive brother of Selcan Hatun and Bamsı Beyrek. He is the widower of Halime Hatun, and the father of Gündüz Bey, Savcı Bey and Osman Bey. He was the father-in-law of Ayse Hatun, Lena Hatun, Malhun Hatun and Bala Hatun. grandfather of Bayhoca bey, Aydogdu Bey, Aktemur Bey, Ertugrul Bey Jr (via Savci Bey), Orhan Bey, Alaeddin Bey, Fatma Hatun, and Halime Hatun.The long-serving Bey of the Kayı tribe. He was usually ill. A highly respected leader among the Turks. He died when he was about to announce his heir. Based on
Ertuğrul. • as
Geyhatu: The
Viceroy (or Governor) of Anatolia under the
İlhanlı (Ilkhanate). Grandson of
Hulagu Han and great-great-grandson of
Genghis Khan. He loves his son, Möngke, despite him wanting to kill him to become the Viceroy and then the
İlhan (ruler) of the İlhanlı. He intended to marry Princess Adelfa to create an alliance between the İlhanlı and the
Byzantine Empire. Based on
Gaykhatu Season 3 •
Serhat Kilic as Tekfur
Michael Kosses: Byzantine tekfur of
Harmankaya, owner of its lands and principality, and a member of
Palaiologos family. He is a relative of the Byzantine emperor and the most noble and powerful tekfur of Bithinya, a skilled fighter, a shrewd politician, and a skillful administrator. Loves his sister more than anything, and is devastated after Mari's death. He was a close ally of Tekfur Rogatus, Osman's most powerful ally and considers him his friend. With Osman and Edebali's guidance soon embraces Islam. Osman sends him to Bursa for secret mission. Based on
Köse Mihal. • Taner Turan as
Vizier Alamshah:
Sultanate of Rûm vizier. He is evil by nature. He often collaborates with Byzantine's Tekfurs and Mongols against Osman Bey. He even puts Gunduz against Osman. He was beheaded by Osman Bey in front of the Sultan. •
Murat Serezli as
Üstad Arius () (disguised as Ibrahim Fakih): Head of a
Templar secret organization who seek to destroy Turks and in particular Osman. He was the Master of Aya Nikola and Barkin Bey. Killed by Osman Bey. • as
Barkin Bey: Husband of Selvi Hatun. After the death of Ömer Bey and his brother Ivaz Bey, he married Selvi and becomes the new bey of Kizilbeyoglu tribe and Çavdar tribe united. He fights Osman's dream of founding a state. He was a loyal disciple of Ustad Arius.Killed by Osman Bey.
Season 4 • as
Kantakuzenos: Family member of the House of
Kantakouzenos, claims to be the rightful heir to the throne of Emperor Andronikos II. When his attempt to overthrow the emperor failed, he allies himself with Olof, the leader of the imperial bodyguard, and plots numerous times against Osman. Osman Bey beheads him. •
Nihat Altınkaya as
Olof: The leader of the
Varangian Guard. He initially travelled from the cold north along with his wife Frigg and his men to raid Osman Bey's land and later the Byzantines. Later, converts to Christianity to the displeasure of Frigg. Captures the Inegöl Castle from Osman. He is beheaded by Osman after the reconquest of Inegol in front of Nayman. •
İpek Karapınar as
Frigg: A member of the
Norsemen fighters and Olof's wife. Deadly and vicious towards her opponents, she starts to spy on Osman and his people, disguised as Martha, a Christian tradeswoman, in Yenişehir. Eventually reveals herself to Osman Bey and Bala Hatun, when the duo were held in captivity by Olof and Kantakouzenos. Later, falls into a trap and is captured and killed by Bala after she tries to attack Orhan and Alaeddin Ali. •
Deniz Barut as
Valide İsmihan Sultan: Mother of Sultan
Alâeddin. She is very similar to Vizier Alamshah. She is evil by nature and puts hurdles in the way of Osman Bey even collaborating with enemies like Nayman, Olof and Frig. After her son was dethroned she was sent to Tabraiz alongside her son. •
Berik Aitzhanov as
Komutan Nayman: Senior Ilkhanid commander who leads an army of 40,000 horsemen to raid Anatolia in response to killing of Mongol commander Samagar and an ambassador. He has a charismatic personality, similar to Dirilis Ertugrul's Baycu Noyan. Raids Osman's castles and other Turk principalities wreaking havoc on Osman and his allies. Dislikes Ghazan Khan due to his conversion to Islam and wants to establish his own Tengrist state after getting hold of Genghis Khan's seal. Beheaded by Osman.
Season 5 •
Yulduz Rajabova as
Efendize Elćim Hatun : Daughter of Akbasli Gunduz Bey. First wife of
Orhan Bey. Sister-in-law of Alaeddin Ali Bey and Fatma Hatun. Daughter-in-law of
Osman Bey and
Malhun Hatun. She was a very noble and brave woman who knows fighting very well. Assisted Orhan Bey in many conquests in seasons 5. Came from
Hayme Ana's lineage. She was married to Orhan Bey to solidify a political alliance between two branches of the Kayis. At first she was against the marriage but gradually accepted it and developed feelings for Orhan Bey. She got pregnant and Orhan Bey's joy was beyond limits and he decided to name that child Sulyeman after his great-grandfather Sulyeman Shah. She was loved and respected by Osman's family, especially Malhun Hatun whom she treated her like her late-mother. She and her child were shown dead in season 6. •
Emre Dinler as
Mehmet Bey: He is the son of Germiyanid ruler, Yakup Bey and Saddet Hatun. Elder brother of Gonca Hatun. He is very boastful and arrogant. He hates Osman Bey and holds a big grudge against Orhan bey and later Alaeddin Bey for loving his sister. He saved Orhan Bey from an ambush led by Imren Tegin. He then changes his behaviour towards Osman, Orhan and Kayi after Osman hands him Uc Pazar again but is still against the marriage of Gonca and Alaeddin. •
Mirza Bahattin Doğan as
Yakup Bey. He is the Bey of the Germiyanids. Husband of Saddet Hatun. Father of Mehmet Bey and Gonca Hatun. Owner of Uc Pazar. He falsely proclaimed himself as Sultan after Sultan Mesud's death. Has tense relations with Osman Bey. After he and his plans are revealed to everyone, he returns to Kütahya. After he returns he sides with Ibrahim Bey against Osman Bey and also disowns his daughter Gonca Hatun for marrying Alaeddin. •
Erkan Bektaş as
Ibrahim Bey of Candaroğlu. Husband of Melike Hatun and father of Ahmet Bey. He forms an alliance with Yakup Bey against Osman Bey as Gonca Hatun was engaged to his son Ahmet Bey. •
Taner Rumeli as
Imren Tegin: A Byzantine Warrior of royal Seljuk descent also called the Executioner of Rome. He comes to the frontiers after Olivia calls him. He wants to start a crusade to destroy the Turks consisting of fighters from the papacy, Catalans, and Franks. After destroying the Turks he hopes to create a new empire under his rule. He raids many of Osman’s tribes, takes the frontier marketplace, and kills all the Tekfurs along with Bayindir Bey. He is also able to easily physically overpower Osman’s men such as Turahan, Konur, and Boran. He is killed by Osman after the Atranos conquest.
Season 6 •
Ali Sürmeli as
Karesi Bey. He is the Bey of Karasid Beylik and a strong opponent of Osman. Works with enemies such as Lucas and Sofia against Osman to weaken him and win the favor of other Beys. • Özgür Çevik as
Lucas. Byzantine commander who arrives as new commander of Bursa. An enemy of Osman who works with Karesi Bey and Sofia. He first sends Holofira with her aid Cecilia who poisons Gonca killing her daughter on Lucas’s orders leading to conflict between Holofira and Gonca and causing much sadness in the tribe. Steals holy Islamic relics to stir conflict between Karesi and Osman to find them. He also causes riots in Yenisehir and Sogut which leads to many casualties. Also tries to ruin Osman by blocking his conquests, trade, and kidnapping his daughter Fatma. Later works with Ulugan to trap Osman and kill him. Killed by Osman in a duel. •
Buçe Buse Kahraman as
Begum Hatun. Bey Hatun of a Turk tribe. Secretly in love with Osman for many years and hates Bala. Osman made her Bey Hatun of Karadin Castle against Bala's suggestion. She was made incharge of trade at Sogut when she failed in protecting Karadin. After Fatma, Saruca and Yusuf were kidnapped by Sofia from Sogut, Bala again asked Osman to remove her from her position but Osman did not remove her. Eventually, joins Mongols, and marries Ilbay. When he dies she escapes and runs to Kucar. She later betrays him after being caught by Osman, in return for her freedom. She disappears after. • Ekin Mert Daymaz as
Ilbay. He is believed to be the Grandson of
Sungurtekin Bey but turns out to be a prentender. Has a daughter named Ayse and he is not loyal to Osman. Osman beheads him in the Kayi Tribe. • Ali Önsöz as
Yusuf Bey .Younger Brother of Begum Hatun and wants to woo Fatma Hatun in order to marry her. He and Saruca had fights before, but then become good friends, though still bantering about Fatma. He gets martyred by Claudius, as a result of the kayis being outnumbered. • Erdem Şanli as
Saruca Bey . Son of Bayhan Bey and Hazal Hatun. Wants to win his father's favour and marry Fatma Hatun. Got martyred while fighting for Osman Bey. • Taner Erturkler as
Bayhan Bey. Father of Saruca and husband of Hazal Hatun. He is selfish at start but becomes loyal of Osman later. He gets killed by Lucas and Sofia. • Yildrim Gucuk as
Gencer Bey.. Bey of Osman who is loyal at first but then allies with Karesi after failing many times and getting embarrassed by Osman. He then spies for Karesi against Osman. •
Feyza Isik as
Hazal Hatun. Mother of Saruca and wife of Bayhan, hates Begum Hatun and wants to get her son married to Fatma Hatun. Manipulates Holofira in order to build discord and animosity between her and Gonca. After Bayhan Bey died she disappeared. •
Devrim Saltoğlu as
Commander Ulugan . A Mongol commander who comes to make Osman pledge allegiance like the other tribes. He comes as a guest to distract Osman while his men took Karachisar and tortured Orhan and Boran. He commands Ilbay to poison the water in all of Osman’s cities causing Osman to surrender to him. After he found out Osman had a plan that was foiled by Ilbay, he raided Osman’s tribe causing them to seek refuge in the forest and almost executed Osman before he had to be taken to Tabriz. After Osman and his people all escaped, he worked with Sofia and Lucas to capture and kill them trapping Osman many times. He is finally killed after Osman takes back his tribe. •
Cengiz Coşkun as
Turgut Alp. is the son of Konur Alp ( Süleyman Şah's Alps), adoptive brother of Ertuğrul Bey and the blood brother of Bamsı Beyrek and Doğan Alp. He is one of the three main alps of Ertuğrul, along with his blood brothers. Turgut is Ertuğrul's best friend and the adoptive son of Süleyman Şah and Hayme Hatun. He is also the widower of Aykız Hatun and Aslıhan Hatun. He returned from far away lands along with his tribe to serve Osman Bey in his upcoming missions. Based on
Turgut Alp •
Asya Ağca as
Halime Hatun (brainwashed by Sofia as Poena) . Fourth child of Osman Bey by Bala Hatun, Step daughter of Malhun Hatun. She is the younger sister of Alaeddin Bey, and younger half-sister of Orhan Bey and Fatma Hatun. Foster Niece of Sofia under the name Poena, tries to kill her Parents via Sofia's manipulation and brainwashing. Named after her paternal grandmother
Halime Sultan by Osman Bey. She was announced dead leaving Osman and Bala devastated for years, Sofia reveals that she raised her daughter as hers to torture Bala Hatun after her husband killed Sofia's baby during the Kulucahisar conquest. she tries to commit suicide by jumping off the hill due to the guilt of trying to kill her Parents, she falls in the river and is saved and brought to the tribe by Osman Bey and Bala hatun . she struggles to call them parents, but later accepts them as parents after saving Alaeddin from the Mongols. She converts to Islam right after. • Claudius :A Christian commander, who has come from Constantinople to help Sofia. He was in love with Sofia. Ends up betraying her and takes over Bursa when she allies with Osman on the Emperor's orders. He was Kucar's ally but sold him out to Osman for a cart of gold. Is late beheaded by Osman in front of the Kayi Tribe. == Supporting Characters ==