The Merciless

Sung-hyun Byun

Director

Sol Kyung-gu

Han Jae-ho

Si-wan Yim

Jo Hyun-soo

Lee Kyung-young

Go Byeong-cheol

Jeon Hye-jin

Chun In-sook

Jason Nelson

Russian Gangster

Byung Mo Choi

Captain Choi

Tim Rixx

Russian Gangster

Lee Dong-yong

Cold storage manager

Andreas Fronk

Russian Mafia

Geun-Su Won

Jjak-jjaki prisoner

Alexis Virginia Hall

Host

Kim Hee-won

Go Byeong-gap

Hyun-min Yang

Investigator

Jang In-sub

Min-cheol

Hong-In

Banggae

Ji Hoon Kim

Jeong-shik

Ji-hun Lee

Public prosecutor Oh

Ji-yoon Moon

Young-geun

Kim Min-soo

Writer

Myeong-chan Park

Writer

Sung-hyun Byun

Writer