Big Mouth

이종석

Park Changho

Yoona

Go Miho

Kim Ju-hun

Choi Doha

Kwak Dong-yeon

Jerry

Yang Kyung-won

Gong Jihoon

옥자연

Hyeon Joohee

Oh Eui Sik

Kim Soontae

김정현

Jung Chaebong

Lee Yoo-jun

Han Jaeho

오륭

Lee Doogeun

윤석현

Cha Seungtae

Park Hoon

Seo Jaeyoung

Kim Kyu-seon

Ashley Kim

Jang Hyuk-jin

Choi Jungrak

김선화

Park Miyoung

Park Se-hyun

Jang Heejoo

정재성

Park Yoongab

강형욱

No Bak

Lee Ki-young

Go Gikwang

Kim Dong-won

Gan Soocheol

홍지희

Jang Hyejin

송경철

Yang Choonsik

유태주

Tak Gwangyeon

Jeon Kuk-hwan

Chairman Kang Seonggeun

이승형

Chairman Kang's secretary

Han Dong-ho

Secretary Jo

Jung Yeon

Kim Gyeongsook

이창직

Choi Haesoo

이서안

Cha Seungtae's wife

김규나

Lee Do-hye

Tak Kwang-yeon's Sister

이형훈

Tak Kwang-yeon's Brother

Park Kwang-jae

Jiseong Mental Center Staff

Kim Kyung-min

TV Debate Moderator

Park Jeong-bok

Prisoner 5362

Cha Si-won

Guard Han Yeon-sung

Jang Ui-don

Police Officer

정재진

Mr. Choi

정동근

Prosecutor Jeon Soo-il

Hwang In-jun

Min Byung-nam