Hwang Ji-sun (16 episodes)

(9 episodes)

Prince Jesan (12 episodes)

Gi-myeon / Player 203 (2 episodes)

Kim Gi-min / Player 203 (6 episodes)

Writer

Team leader

Alpha

Jeon Il-man

Yu-bin

(1 episode)

(16 episodes)

Kang Ho-joon (14 episodes)

Mal-bo

Yook-gam

Choi Man-soo

Postman

Head of Department Ham

Jong-sik

Chae Geun-Sik (16 episodes)

Self (1 episode)

Ha Sang-Mo (16 episodes)

Jeon Il-man

Kang Nam-Goo (52 episodes)

Civvies Leader

Yang Choo-Sung (32 episodes)

Seon-ho

Director Lee

Homeless Man

Jung Pan-seok

Jang Tae-sick (12 episodes)

Mr. Chae

Park Yong-goo (1 episode)

Ha Sang-Mo

Oh Ji-ha

Detective from Seoul Prosecutor's Office

Detective Pyung

Removal Team

Gang Member 1

Go Dong-pil