Big Mouth

A lawyer, caught up in a murder case, becomes a notorious and genius con artist overnight, in order to fight against a huge conspiracy and survive.

Mystery Drama Crime

Lee Jong-suk

(Park Chang-ho)

Yoona

(Go Mi-ho)

Kim Ju-hun

(Choi Do-ha)

Kwak Dong-yeon

(Jerry)

Yang Kyung-won

(Gong Ji-hoon)

Ok Ja-yeon

(Hyeon Joo-hee)

Oh Eui-sik

(Kim Soon-tae)

Kim Jeong-hyeon

(Jeong Chae-bong)

Lee Yoo-jun

(Han Jae-ho)

Oh Ryoong

(Lee Doo-geun)

Yoon Seok-hyun

(Cha Seung-tae)

Park Hoon

(Seo Jae-yong)

Kim Kyu-seon

(Ashley Kim)

Jang Hyuk-jin

(Choi Jong-rak)

Kim Sun-hoa

(Park Mi-young)

Park Se-hyun

(Jang Hee-ju)

Jeong Jae-seong

(Park Yoon-gab)

Kang Hyung-wook

(No Bak)

Lee Ki-young

(Go Gi-gwang)

Kim Dong-won

(Gan Soo-cheol)

Hong Ji-hee

(Jang Hye-jin)

Song Gyeong-cheol

(Yang Choon-shik)

Yoo Tae-joo

(Tak Gwang-yeon)

Jeon Kuk-hwan

(Chairman Kang Seong-geun)

Lee Seung-Hyung

(Chairman Kang's Secretary)

Han Dong-ho

(Secretary Jo)

Jung Yeon

(Kim Gyeong-sook)

Lee Chang-jik

(Choi Hae-soo)

Lee Seo-An

(Cha Seung-tae's Wife)

Kim Kyu-na