Main •
Lee Byung-hun as Eugene Choi / Choi Yu-jin •
Kim Kang-hoon as child Eugene Choi / Choi Yu-jin • as young Eugene Choi / Choi Yu-jin : A captain of the
United States Marine Corps and former
Joseon slave. After witnessing his parents' death at the hands of their owner, Eugene manages to escape to the United States where he becomes an officer in the Marine Corps and fights in the
Spanish–American War. He later returns to
Korea on a diplomatic mission and falls in love with Go Ae-shin. Eugene has to choose between helping Ae-shin in her fight for independence or maintaining his neutral position as a US officer. : •
Kim Tae-ri as Go Ae-shin •
Heo Jung-eun as child Go Ae-shin : An orphaned
noblewoman and member of the
Righteous Army. Her parents were independence fighters who died in Japan due to their colleague's betrayal. She is raised by her paternal grandfather who helps her train as a
sniper. •
Yoo Yeon-seok as Gu Dong-mae / Ishida Shō •
Choi Min-young as young Gu Dong-mae : The son of a
butcher who flees to
Japan upon his parents' death and becomes a member of the Musin Society, which is part of the
Yakuza. He believes that it is the unjust Joseon social hierarchy that killed his parents and returns to Korea with a mission of helping the Japanese overtake the country. •
Kim Min-jung as Kudo Hina / Yi Yang-hwa : An influential widow who runs a hotel in Korea. Her father forced her to marry an old, rich Japanese man. Upon her husband's mysterious death, she inherited the Glory Hotel and successfully operates it on her own. In order to atone for her father's shameful misdeeds and to also find her mother, Hina helps the emperor in the fight against the Japanese government and the pro-Japanese officials. •
Byun Yo-han as Kim Hui-seong : A nobleman who is considered to be the richest after the emperor in terms of land ownership. He is emotionally tormented by his grandfather's past deeds and lives for over a decade in Japan to avoid marrying the woman his family chose for him.
Recurring Korean government •
Lee Seung-joon as
Emperor Gojong •
Kang Yi-seok as young Emperor Gojong : The Korean monarch who desperately fights for the country's sovereignty. •
Kang Shin-il as Yi Jung-mun : An anti-Japanese official loyal to the emperor. He secretly commands the Righteous Army. •
Kim Eui-sung as Yi Wan-ik / Rinoie Hiroaki : Kudo Hina's father. A selfish and cruel pro-Japanese official who is responsible for the deaths of Go Ae-shin's parents. • as Yi Deok-mun : A pro-Japanese nobleman. Yi Wan-ik's assistant and Go Ae-sun's abusive husband. •
Choi Jin-ho as Yi Se-hun : The arrogant and corrupt Minister of Foreign Affairs whose actions indirectly led to the deaths of Eugene Choi's parents. •
Jung Hee-tae as Police Commissioner Jung • Shin Mun-sung as Postmaster Yoon • as Doctor Matsuyama : A Japanese doctor secretly working for Yi Wan-ik. • as
Yi Wan-yong : An infamous pro-Japanese official and one of the
Five Eulsa Traitors.
Righteous Army •
Kim Kap-soo as Hwang Eun-san : An accomplished
potter who helps a young Eugene Choi flee to the United States. The leader of the Righteous Army. • Lee Si-hoon as Yoshino Kō : A Japanese man working as an assistant for Hwang Eun-san. •
Choi Moo-sung as Jang Seung-gu •
Sung Yoo-bin as young Jang Seung-gu : A gunman who trains Go Ae-shin to become a sniper. Due to a misunderstanding he initially despises the emperor, but eventually becomes the head of the
palace guards to protect him. •
Seo Yoo-jung as Hong-pa : Jang Seung-gu's wife. A skilled archer and rower. •
Jang Dong-yoon as Jun-young : A young nobleman eager to fight for Korea's sovereignty. •
Oh Ah-yeon as So-ah : A Korean-born
geisha who is part of the Righteous Army. •
Im Chul-soo as Jeon Seung-jae : A Righteous Army member and one of the close friends of Go Ae-shin's parents. •
Ji Seung-hyun as Song Yeong : A cousin of Go Ae-shin's mother. He served as an official at the time of the
Shinmiyangyo incident and now lives in Japan supporting the Righteous Army. • as Yi Sang-mok : A
jige carrier and Righteous Army member who is briefly captured by Gu Dong-mae. •
Lee Soon-won as Park Mu-geol : The bell keeper who is secretly a member of the Righteous Army. • Lee Dong-hee as baker : A Righteous Army member and owner of a French bakery/candy store. • Park Sung-hoon as blacksmith : A friend of Jang Seung-gu who is talented in fixing machinery.
Japanese government and army • as
Itō Hirobumi : The first
Resident-General of Korea. • as
Hayashi Gonsuke : The
Minister and
de facto leader of the Japanese
legation. •
Kim Nam-hee as Mori Takashi : A Japanese colonel of noble blood. Sadistic and cruel, he has a heavy dislike for Korea. Eugene Choi was his neighbor in New York City. • Gong Dae-yu as Sasaki Soyu : An arrogant Japanese major serving under Mori Takashi. • Yoon Dae-yul as
Hasegawa Yoshimichi : The
Governor-General of Korea under Itō Hirobumi. • Lee Jung-hyun as Second Sergeant Tsuda : A fanatically loyal Japanese
NCO officer. • as Second Sergeant Yamada : A Japanese NCO officer. • as Hyung-ki : A Korean man who works as a translator at the Japanese legation. • Jeong Tae-ya as Suzuki : A man working at the Japanese legation who develops an enmity with Gu Dong-mae.
Go family's household •
Lee Ho-jae as Go Sa-hong : Go Ae-shin's paternal grandfather. He is a great
scholar and the emperor's former teacher. A firm believer in the sovereignty of Korea, he very reluctantly allows his granddaughter to join the Righteous Army. •
Lee Jung-eun as Ms. Ham-an : Go Ae-shin's loyal maid. •
Shin Jung-geun as Mr. Haeng-rang : Go Ae-shin's cousin and Yi Deok-mun's wife. Unable to bear a son, she is regularly abused by her husband.
United States legation •
David Lee McInnis as Kyle Moore : A major in the US Marine Corps who is both the direct supervisor and friend of Eugene Choi. •
Jo Woo-jin as Im Gwan-su : An English interpreter working at the US legation. He later becomes an English translator for the emperor. • as Son Do-mi •
Kim Min-jae as adult Son Do-mi : A young boy who works at the US legation, where he teaches
hangul to Eugene Choi. Son Su-mi's younger brother. • Lorne Edward Oliver as
Horace Newton Allen : The corrupt US Minister who considers Eugene Choi more Korean than American.
Kim family •
Kim Eung-soo as Kim Pan-seo : Kim Hui-seong's grandfather. A cruel and extremely wealthy nobleman responsible for the deaths of Eugene Choi's parents. • as Kim An-pyeong •
Lee Hak-joo as young Kim An-pyeong :Kim Hui-seong's cowardly father. •
Kim Hye-eun as Yun Ho-sun •
Park Ji-yeon as young Yun Ho-sun : Kim Hui-seong's mother. •
Jung Min-ah as Yeon-ju : Kim Hui-seong's wife and Jun-young's sister.
People around Gu Dong-mae • as Yuzo :Gu Dong-mae's loyal subordinate in the Musin Society. •
Kim Yong-ji as Hotaru : A mute Japanese
fortune-teller living with Gu Dong-mae. •
Hakuryu as leader of the Musin Society
Glory Hotel employees •
Shin Soo-yeon as Son Su-mi : Son Do-mi's elder sister. • Kim Si-eun as Gwi-dan : A maid at the Glory Hotel who is secretly working for Gu Dong-mae.
Others • Yoon Byung-hee as Kim Yong-ju : A former friend of Go Ae-shin's parents who betrayed them to Yi Wan-ik. •
Kim Byung-chul as Il-sik : A slave hunter who diverted and became the co-owner of a shop that takes care of any need. • Jason Nelson as Joseph W. Stenson : An American
missionary. He helps Eugene Choi escape to the United States and is a paternal figure to him. • Ariane Desgagnés-Leclerc as Stella : An American missionary working as an English teacher in Korea. • as Yun Nam-jong : A student at Stella's English school who later becomes Kim Hui-seong's assistant.
Special appearances •
Lee Si-a as Eugene Choi's mother • as Eugene Choi's father •
Choi Jong-won as
Grand Internal Prince Heungseon : The emperor's father. •
Yoon Kyung-ho as Jang Seung-gu's father : A gunner killed during the
Shinmiyangyo incident. •
Im Se-mi as Gu Dong-mae's mother •
Shim Wan-joon as Gu Dong-mae's father •
Jin Goo as Go Sang-wan : Go Ae-shin's mother who is killed by Yi Wan-ik. •
Kim Joo-ryoung as
Imperial Noble Consort Sunheon : The emperor's high-ranking concubine and Kudo Hina's close friend. •
Park Jeong-min as
Ahn Chang-ho : A Korean independence activist living in the United States. ==Background==