as Kim Seok-hyun

as Do Pyeon-gang

as Jung Jin Gyu [Songwon police station chief]

as Choi Jeong Ho

as Na Jung-beom

as Kang Dong Won

as Kim Gwang Tae

as Lee Jong Gu [Min Suk's husband]

as Ok Ju-man

as Noh San-woo

as Han Myung-Jin

as [Prosecutor]

as Disciplinary Teacher

as Ik-jun's Professor

as Park Jin-man

as Hwang Doo-Sik

as Jeon Won-Chool

as Yoon Seung-Soo

as Kong Seung-cheol

as Kim Yong Chul [Prison Warden]

as [Magistrate]

as Soon Jong

as Professor Park

as Manager Shin [Dong Gyu's brother in-law]

as Hunter Ahn

as Section Chief Yoon

as [Taxi Driver]

as Kang Dong Won