"Hong Gil-dong is an infallible private detective with an exceptional memory and quirky personality. While chasing the only target he failed to find, he gets entangled in a much bigger conspiracy than he bargained for."
Lee Je-hoon
as Hong Gil-dong
Kim Sung-kyun
as Gang Seong-il
Park Keun-hyong
as Kim Byeong-deok
Roh Jeong-eui
as Dong-yi
Go Ara
as President Hwang
Kim Ha-na
as Mal-soon
Chung Sung-hwa
as Innkeeper
Kim Dong-hwi
as Student
Jang Se-won
as Policeman
Lee Jun-hyeok
as Real Estate Agency Owner
Yoon Yeong-gyun
as Tae-jung
Hwang Bo-ra
as Used Book Store Woman
Jung Young-hoon
as Gwi-han
Go Woo-rim
as Young Hong Gil-dong
Cho Dong-in
as Newcomer
Yoon Young-kyun
as Choi Tae-jeong
Lee Jong-kyeong
Costume Designer
Park Jung-ryul
Martial Arts Choreographer
Lee Hyun-dong
VFX Supervisor
Jang Hee-sun
Art Designer
Kang Yun-sun
Camera Operator
Oh Hyeon-am
Line Producer
Lee Hyun-gyu
Key Grip
Kwon Young-il
"C" Camera Operator
Yoon Na-yeon
Costumer
Han Tae-jung
Jo Sung-hee
Director
Screenplay
Shin Chang-hwan
Producer
Kim Tae-seong
Original Music Composer
Nam Na-young
Editor
Kim Su-jin
Choi Eui-young
Costume Design
Yun In-beom
Jang Geun-yeong
Production Design
Byun Bong-sun
Director of Photography
Park In-young
Bang Ok-kyung
Executive Producer
Song Hyun-suk
Lighting Director
Jeong Gye-hyeon
Seo Doo-hyeong
VFX Artist
Lee Jong-ho
Sound Recordist
Han Gyeong-hoon
Assistant Director
Shin Seung-gyun
Yoon Ki-chan
Set Decoration