"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."
Don Lee
as Jang-soo
Kim Young-kwang
as Tae-jin
Lee You-young
as Hyun-ji
Choi Gwi-hwa
as Jong-sik
Ju Jin-mo
as Inspector Yang
Choi Yu-ri
as Do-kyung
Heo Jae-ho
as Poong-gi
Ko Kyu-phil
as Bong-goo
Bae Jung-hwa
as Do-kyung's Mother
Kang Seung-wan
as Kyung-ho
Yoon Hee-won
as Section Chief Lee
Han Soo-hyun
as Detective
Lee Young-suk
as Landlord
Ye Jung-hwa
as Woman
Cha Soon-hyeong
as Emergency Room Doctor 1
Kim Seon-mun
as Doctor
Kim Ah-ra
as So-yeong
Yun Min-gyu
Stunts
Kim Yeol-hoe
Digital Intermediate
Ryu Seong-cheol
Mok Yeong-jin
Music
Song Seung-whan
VFX Supervisor
Lee Sang-hun
Props
Shin Tae-seob
Lighting Director
Kim Sung-jin
Screenplay
Jeong Kyung-hwa
Still Photographer
Lee Jae-sung
Production Design
Kim Kyeong-mi
Costume Design
Bae Se-young
Adaptation
Kim Hyun-joo
Costume Designer
Kim Pil-soo
Sound Supervisor
Steve M. Choe
Editor
Nam Ji-soo
Makeup & Hair
Jay Song
Executive Producer
Jo Won-hee
Director
Ha Gyeong-ho
Director of Photography
Chung Min-joo
Park Kyoung-suk
Kim Nam-ho
Set Decoration
Kim Seon-wung