Ryu Sung-rok

as Yeong-hun (12 episodes)

as Seo Hee-won's brother

as Jeong-hwan

as Namgung Jae-soo (16 episodes)

as Ahn Soo-ho (2 episodes)

as Ha Dong-chan (Oh Hyun-soo) (2 episodes)

as Kyu-bong (16 episodes)

as Jeong-seok

as Sung-cheol

as Jeon Gi-hyeok (6 episodes)

as Min-won

as Jung-ho