Full cast of Big Mouth
Kim Jeong-hyeon
Jung Chaebong
16 episodes
Lee Yoo-jun
Han Jaeho
16 episodes
Oh Ryoong
Lee Doogeun
16 episodes
Yoon Seok-hyun
Cha Seungtae
16 episodes
Kim Kyu-seon
Ashley Kim
16 episodes
Kim Sun-hoa
Park Miyoung
16 episodes
Jeong Jae-seong
Park Yoongab
16 episodes
Kang Hyung-wook
No Bak
16 episodes
Lee Ki-young
Go Gikwang
16 episodes
Hong Ji-hee
Jang Hyejin
16 episodes
Song Kyung-chul
Yang Choonsik
16 episodes
Yoo Tae-joo
Tak Gwangyeon
16 episodes
Lee Seung-Hyung
Chairman Kang's secretary
16 episodes
Han Dong-ho
Secretary Jo
16 episodes
Jung Yeon
Kim Gyeongsook
16 episodes
Lee Chang-jik
Choi Haesoo
16 episodes
Lee Seo-an
Cha Seungtae's wife
16 episodes
Kim Kyu-na
16 episodes
Lee Do-hye
Tak Kwang-yeon's Sister
3 episodes
Lee Hyoung-hun
Tak Kwang-yeon's Brother
3 episodes
Park Kwang-jae
Jiseong Mental Center Staff
2 episodes
Kim Gyeong-min
TV Debate Moderator
2 episodes
Park Jeong-bok
Prisoner 5362
2 episodes
Cha Si-won
Guard Han Yeon-sung
2 episodes
Jang Ui-don
Police Officer
2 episodes
Jung Jae-jin
Mr. Choi
2 episodes
Jung Dong-geun
Prosecutor Jeon Soo-il
2 episodes
Hwang In-jun
Min Byung-nam
2 episodes
Han Dong-kyu
Mr. Ko
2 episodes
Lee Kyu-sub
Prisoner 5161
2 episodes
Lee Sang-kyung
Waitress
2 episodes
Heo Woong
Prisoner 1002
2 episodes
Jin Mo
Prisoner 6678
2 episodes
Lee Young-jin
Choi Man-ho
2 episodes
Han Gi-joong
Kim Gap-joo
2 episodes
Shin Seung-hwan
Peter Hong
2 episodes
Kim Do-young
Doctor Hong Kwang-ho
2 episodes
Bae Ho-geun
Producer Na
2 episodes
Gi Eun-you
Young Choi Do-ha
2 episodes
Jeon Jae-Hong
Prison Guard
2 episodes
Kim Geon-ho
TV Debate Staff
2 episodes
Pyo Young-seo
Jerry's sister
1 episode
Kim Min
Police Station Student
1 episode
Jang In-ho
Detective
1 episode
Lee Taek-geun
Kong Ji-hoon's Secretary
1 episode
Kwon Ban-seok
Reporter
1 episode
Jung Hyung-suk
Man in Attendance
1 episode
Jin Tae-yeon
Club Hostess
1 episode
Woo Hyun-seo
Club Hostess
1 episode
Baek Seung-ik
Waterfowl
1 episode
Im Jae-geun
Reporter
1 episode
Sung Nak-kyung
Park Yoon-gab's Subordinate
1 episode
Park Young-bok
Mr. Yeom
1 episode
Yoon Bok-sung
Lee Chang Sub
1 episode
Min Eung-sik
Judge
1 episode
Park Sang-hyeon
Kim Soo-yeon
1 episode
Park Yong
Judge
1 episode
Shin Seung-yong
Angry Client
1 episode
Lee Byeong-cheol
Angry Client
1 episode
Seo Myung-chan
Ji Hoon's Butler
1 episode
Lee Dong-kyu
Radio Program Host
1 episode
Yoon Kwan-woo
Gucheon Court Staff
1 episode
Kim Oh-bok
Defendant's Attorney
1 episode
Song Ha-Rim
Prisoner 7941
1 episode
Hong Joo-hyung
Prisoner 4302
1 episode
Min Sang-woo
Prison Guard
1 episode
Jin Yong-uk
Prisoner 2718
1 episode
Lee Joon-gyu
Prisoner 8324
1 episode
Kim Si-young
Doctor
1 episode
Ma Jeong-pil
Doctor
1 episode
Kim Bum-suk
Detective
1 episode
Kim Won-suk
Detective
1 episode
Shin Dong-eun
Prison Doctor
1 episode
Kim Mi-ra
Patient's Guardian
1 episode
Shin Duk-ho
Security Guard Ham
1 episode
Hong Seok-bin
Fishing Reservoir Man
1 episode
Yoon Hwan
Lee Du-geun's Assistant
1 episode
Park Hui-eun
Nam Ki-sung's Wife
1 episode
Goo Si-yeon
Nam Ki-sung's Relative
1 episode
Lee Seung-joon
Nam Ki-sung's Relative
1 episode
Jang Joon-ho
Judge
1 episode
Shin Na-ra
Police Officer
1 episode
Sun Yul-woo
Prisoner 2007
1 episode
Jeong Hyeon-woo
TV Reporter
1 episode
Kim Kwon
Reporter
1 episode
Lee Jae-woo
Reporter
1 episode
Park Ji-ho
Reporter Sung Bo-kyung
1 episode
Han Sa-myeong
Prisoner 1708
1 episode
Lee Jang-ho
Guard Bae Tae-young
1 episode
Park No-gyeong
Prisoner
1 episode
Mi Seok
Prisoner 2093
1 episode
Choi Yoon-bin
Prisoner 6205
1 episode
Oh Ki-hwan
Detective
1 episode
Jun Sung-won
Prisoner 3857
1 episode
Lee Keon-gu
Prisoner
1 episode
Lee Hyun-gul
Riot Officer
1 episode
Lee Yun-sang
Judge
1 episode
Lim Yong-soon
Charles Hotel Owner
1 episode
Oh Min-jeong
Nursing Home Nurse
1 episode
Park Hyo-bin
Reporter
1 episode
Lee Yun-sang
Child Kong Ji-hoon
1 episode
Lim Seung-beom
Reporter
1 episode
Park Sang-hwi
Reporter
1 episode
Kim Sa-hoon
Reporter
1 episode
Park Sang-jong
Attorney Jung
1 episode
Kim Do-Hyung
Attorney Kim Ki-soo
1 episode
Shim Young-min
Dr. No Joong-sung
1 episode
Cho Yu-jin
[Reporter]
1 episode