Jung Moon-sung

as Kim Yeong-gil (1 episode)

as Lee Ki-hwan (12 episodes)

as Do Jae-hak (1 episode)

as Hwang Se-woong (12 episodes)

as Jo Jeong-sik (12 episodes)

as Jisan prisoner (1 episode)

as Kim Gyu-tae

as Kang San (12 episodes)

as Jang Cheon-woo (2 episodes)

as Self (2 episodes)

as Jang Cheon-woo (12 episodes)

as Yong-hwan

as Jung Seong-jun

as Woo Tae-ho (16 episodes)

as Cha Jeung Seok (24 episodes)

as Do Jae-hak (24 episodes)

as Jung Seong-jun (12 episodes)

as Self (1 episode)

as Lee Tan (48 episodes)

as Jo Myung-hee (6 episodes)

as Department Head Daniel Jegal (10 episodes)

as Self (1 episode)

as Yook Ryong (32 episodes)

as Captain Yoo's Brother (16 episodes)