Park Hyung Sik as Yi Hwan / Scholar Park of Namsangol
Jeon So Nee as Min Jae Yi / Eunuch Go Soon Dol
Pyo Ye Jin as Jang Ga Ram [Jae Yi’s maid and best friend]
Yoon Jong Seok as Han Seong On [Sergeant, Jaeyi’s fiancé, Yi Hwan’s close friend]
Lee Tae Sun as Kim Myung Jin [Owner of Manyeondang / The Prime Minister’s youngest son]
Heo Won Seo as Tae Kang [Yi Hwan’s Guardian Warrior]

Supporting Cast

Jung Da Eun as Princess Ha Yeon
Im Han Bin as Prince Myeongan [Yi Hwan’s half-brother]
Lee Jong Hyuk as King [Yi Hwan’s father]
Jo Sung Ha as Han Jung Eon [Left Minister]
Seo Tae Hwa as Min Ho Seung [Jae Yi’s father]
Son Byung Ho as Kim Ahn Jik [Prime Minister]
Park Hyo Jun as Sam Chil [Landlord of Manyeondang]
Hong Soo Hyun as Kye Bi [King’s wife]
Son Kwang Eop as Eunuch Noh
Oh Hee Joon as Eunuch Kim
Park Won Ho as Eunuch Cha
Choi Dae Chul as Eunuch So
Kim Woo Seok as Shim Young
Jung Woong In as Cho Won Bo [Minister Woo]
Jo Jae Ryong as Cho Won Oh [Court transcriber, cousin of Cho Won Bo]
Jung In Kyum as [Wandering Monk]
Lee Min Ji as Bok Sun
Kim Ki Doo as Man Deok
Lee Mi Eun as Sung On Mo
Cha Yong Hak as Prince Ui Hyeon [Yi Hwan’s brother]
Song Yong Ho
Park Si Won
Jung Shi Woo
Choi Ji Won
Yoon Ye Hee
Yoo Da In