Big Mouth
빅마우스
“A small-time lawyer must impersonate a genius con man to survive”
A lawyer with a ten-percent winning rate is caught up in a murder case and becomes the notorious and genius con artist, Big Mouse, overnight. In order to survive and protect his family, he tries to reveal the true colors of the privileged people involved in a huge conspiracy.
Lee Jong-suk
as Park Changho · LEAD
Lee Jong-suk
Park Changho
Yoona
as Go Miho · LEAD
Yoona
Go Miho
Kim Ju-hun
as Choi Doha · SUPPORTING
Kim Ju-hun
Choi Doha
Kwak Dong-yeon
as Jerry · SUPPORTING
Kwak Dong-yeon
Jerry
Yang Kyung-won
as Gong Jihoon · SUPPORTING
Yang Kyung-won
Gong Jihoon
Ok Ja-yeon
as Hyeon Joohee · SUPPORTING
Ok Ja-yeon
Hyeon Joohee
Oh Eui-sik
as Kim Soontae · SUPPORTING
Oh Eui-sik
Kim Soontae
Kim Jeong-hyeon
as Jung Chaebong · SUPPORTING
Kim Jeong-hyeon
Jung Chaebong
Streaming
Where to watch
Availability varies by region · Data by JustWatch via TMDB
Quick verdict
Should you watch?
A tense, twisty crime thriller carried by Lee Jong-suk.
✓Fans of con-artist thrillers, prison-and-power intrigue, and Lee Jong-suk
✗You want tidy plausibility over high-octane plot twists
Story
What is it really about
A struggling attorney is mistaken for a legendary con artist called 'Big Mouse' and thrown into a deadly prison-and-power game where the only way out is to become the legend. A twisty crime thriller.
Did you know
Trivia & facts
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FAQ