Big Mouth poster

Big Mouth

TV Show TV-14 2022 1h 8m/ep 8.3 /10 Ended
MBC A MBC Original
Directed by Oh Choong-hwan

Park Chang-ho is a lawyer whose win rate is barely two digits. When a murder case drags him into a dangerous web, he suddenly becomes infamous as Big Mouth, a brilliant con artist. To protect his family and stay alive, he uses wit and improvisation to lift the lid on a vast conspiracy tied to... Read more

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Streaming availability last verified: January 25, 2026

About Big Mouth

Park Chang-ho is a lawyer whose win rate is barely two digits. When a murder case drags him into a dangerous web, he suddenly becomes infamous as Big Mouth, a brilliant con artist. To protect his family and stay alive, he uses wit and improvisation to lift the lid on a vast conspiracy tied to Korean power. He threads two lives while the threats around him tighten, and loyalties shift as secrets emerge. The show keeps twists close to the vest, letting pressure, deception, and fragile trust drive the drama.

Production notes credit Oh Choong-hwan as director, with Jang Young-cheol, Jung Gyeong-sun, and Kim Ha-ram shaping the script. The 2022 release pairs tight storytelling with polished performances, rooted in contemporary crime and courtroom atmosphere.

Since its debut the series sparked conversations about power and privilege, inviting viewers to question who really holds influence. Fans lauded the lead performances, and the Big Mouth alter ego entered pop culture chatter, fueling memes and discussions about justice, disguise, and loyalty. The show also examines media influence and the cost of exposing corruption.

Critics note a propulsive blend of mystery and family drama, with themes that focus on appearances versus reality and the cost of protecting loved ones. The show blends suspense with character tension, making the moral lines feel murky rather than clear. Its brisk pacing keeps viewers processing ethical choices long after each episode ends.

Details

Release Date
July 29, 2022
Episode Length
1h 8m
Rating
TV-14
User Ratings
316 votes
Type
TV Series
Seasons
1
Episodes
16
Network
MBC
Status
Ended
Genres
Mystery, Drama, Crime
Country
South Korea
Studio
Studio Dragon +1 more
External Links
View on IMDB

Official Trailer

Cast

Lee Jong-suk

Lee Jong-suk

Park Changho

Yoona

Yoona

Go Miho

Kim Ju-hun

Kim Ju-hun

Choi Doha

Kwak Dong-yeon

Kwak Dong-yeon

Jerry

Yang Kyung-won

Yang Kyung-won

Gong Jihoon

Ok Ja-yeon

Ok Ja-yeon

Hyeon Joohee

Oh Eui-sik

Oh Eui-sik

Kim Soontae

Kim Jeong-hyeon

Kim Jeong-hyeon

Jung Chaebong

Lee Yoo-jun

Lee Yoo-jun

Han Jaeho

Oh Ryoong

Oh Ryoong

Lee Doogeun

Director: Oh Choong-hwan

Created by: Jang Young-cheol, Jung Gyeong-sun, Kim Ha-ram

Seasons (1 season, 16 episodes)

Season 1

Season 1

16 episodes - 2022

Frequently Asked Questions

Big Mouth is available to stream on Disney+ and Hulu.

Yes, Big Mouth is available to stream on Disney+.

Big Mouth has 1 season with a total of 16 episodes.

With a rating of 8.3/10 from 316 viewers, Big Mouth is highly recommended and considered excellent by most viewers.

Park Chang-ho is a lawyer whose win rate is barely two digits. When a murder case drags him into a dangerous web, he suddenly becomes infamous as Big Mouth, a brilliant con artist. To protect his family and stay alive, he uses wit and improvisation to lift the lid on a vast conspiracy tied to Kor...

Big Mouth stars Lee Jong-suk, Yoona, Kim Ju-hun, Kwak Dong-yeon, and Yang Kyung-won.

Big Mouth was created by Jang Young-cheol, Jung Gyeong-sun, and Kim Ha-ram.

Big Mouth was released on July 29, 2022.

Big Mouth is a Mystery, Drama, and Crime series.

Oh Choong-hwan directed Big Mouth. It was created by Jang Young-cheol, Jung Gyeong-sun, and Kim Ha-ram.

Lee Jong-suk plays Park Changho, and Yoona plays Go Miho. They are the central duo in this mystery drama.

There is currently only one season of Big Mouth, consisting of 16 episodes. No second season is listed in the provided data.

The series follows a lawyer with a ten-percent winning rate who becomes the notorious con artist Big Mouth after getting caught up in a murder case. To protect his family, he works to reveal the true colors of the privileged involved in a massive conspiracy.