Main •
Kim Min-jae as Ma Hoon •
Choi Seung-hoon as young Ma Hoon :The silent and cold founder of Flower Crew. Known as the most intelligent and handsome man in Hanyang, he is also the leader and the best matchmaker of the crew. •
Gong Seung-yeon as Gae-ttong / Yoon Soo-yun •
Lee Go-eun as young Gae-ttong :Lee Soo's first love. She has a stubborn personality and does many jobs to survive and to find her long-lost brother, from whom she was separated when they attempted to escape enslavement as children. She eventually joins Flower Crew to repay her marriage debt. She must keep her history as a runaway a secret. •
Seo Ji-hoon as Lee Soo • Cha Sung-je as young Lee Soo :A 23-year-old humble blacksmith who is in love with Gae-ttong. He gets captured on his wedding day and learns that he is to be the new king of Joseon. •
Park Ji-hoon as Go Young-soo / Chil-nom :A fashionable young man whose skills with clothes and makeup make him an asset to the Flower Crew, as he can turn any bride into a beauty. His fashion choices quickly become trends. He changed his name to escape his past as a
baekjeong accused of a terrible crime. •
Byeon Woo-seok as Do Joon • Lee Seung-woo as young Do Joon :The Flower Crew's informant. Due to his handsome looks, many girls in Hanyang adore him and he uses this advantage to collect information in and around Hanyang. He eventually falls for Kang Ji-hwa. •
Go Won-hee as Kang Ji-hwa :The vain daughter of Second Chief State Councillor who is very cold and overbearing, especially towards commoners and slaves.
Supporting People around Ma Hoon •
Park Ho-san as Ma Bong-deok : Ma Hoon's father, also, the Chief State Councillor •
Jung Yoon-seok as Ma Joon
People around Gae-ttong •
Jang Yoo-sang as Kang •
Park Sang-hoon as young Kang :Gae-ttong's long-lost brother
People around Lee Soo • Lee Yoon-gun as Kim Moon-seok • Ha Hoe-jung as Eunuch Jang • Ahn Da-bi as Se-ah
People around Do Joon • Kim Hye-ji as Seom Seom : A girl from a courtesan house that frequently helps Do Joon to collect information. •
Jung Ji-yoon as Do-joon's mother
People around Kang Ji-hwa • Jung Jae-sung as Kang Mong-gu :Kang Ji-hwa's father, also, the Second Chief State Councillor • Park Bo-mi as Chun-sim :One of Ji-hwa's slaves who always appears with her. She also has a crush on Kang, another slave of Ji-hwa's.
Others •
Kwon So-hyun as Queen Dowager Yoon •
Jung Eui-jae as Hyun • Lee Chae-won as Ma Jeong-hwa • Choi Yi-seon as Tae-soo : Flower Crew servant
Special appearances •
Jo Sung-ha as King (Ep. 1–2) •
Go Soo as Crown Prince (Ep. 1) •
Woo Hyun as doctor (Ep. 1) •
Ahn Se-ha as peddler (Ep. 1) •
Jang Su-won as Jang In-sung (Ep. 1) •
Park Soo-ah as Lee Eun-young (Ep. 1) •
Lee Su-ji as young lady (Ep. 1) • Jo Ryun as inn owner (Ep. 2) •
Choi Jin-hyuk as the Second Chief State Councillor's niece's matched guy (Ep. 5) •
Daniel Lindemann as a German customer (Ep. 16) ==Production==