Jo Jung Suk as Ko Doo Shik
Doh Kyung Soo as Go Doo Young
Park Shin Hye as Lee Soo Hyun

Supporting Cast

Kim Kang Hyun as Dae Chang
Jung Dong Gyu as [Doctor]
Im Chul Hyung as [Man in department store]
Kim Deuk Gyum as [Judo team member]
Son San as [Parole officer]
Shim Hoon Gi as [Parole officer]
Jung Jae Jin as [Super market owner]
Lee Yeon Soo as [Doo Sik’s mother]
Kwon Bum Taek as [Keeper man]
Jung Ji Hoon as Young Doo Yeong
Goo Hye Ryung as [Welfare employee ]
Kang Doo as [Foreign car dealer]
Choi Min Ho as [Narrator]
Bae Sung Jae as [Judo caster]
Jo Won Hee as [Doo Shik’s father]
Noh Hee Young as [A lady in the neighborhood]