Jang-soo is a judo instructor who is indifferent to everyone but his daughter. One day he realizes he can see Tae-jin, a ghost who used to be a devoted police officer. Tae-jin asks Jang-soo to help solve the case that took his life away from him.
마동석
as Jang-soo
김영광
as Tae-jin
이유영
as Hyun-ji
최귀화
as Jong-sik
주진모
as Inspector Yang
최유리
as Do-kyung
Heo Jae-ho
as Poong-gi
고규필
as Bong-goo
Bae Jung-hwa
as Do-kyung's Mother
Kang Seung-wan
as Kyung-ho
Yoon Hee-won
as Section Chief Lee
한수현
as Detective
