Big Mouth
Big Mouth
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Big Mouth

8.3
Yr 2022
Rt 68m
Status Ended
Mystery Drama Crime
Your Verdict

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Series Brief

Overview

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.

Critical Reception

What critics are saying

Score 70 /100

Critical reception for Big Mouth is generally positive, with reviewers highlighting its ability to deliver an entertaining and suspenseful take on crime and corruption. The show is particularly noted for appealing to older audiences who prefer mature, realistic themes over standard romantic tropes, as the central couple is already married at the start of the series.

However, the show faced significant criticism regarding its conclusion. While the build-up and overall premise are strong, many viewers felt the final ten minutes of the finale were divisive, with some suggesting that the ending was so lackluster it nearly undermined the quality of the entire series.

“Big Mouth serves well in entertaining its viewers, but don’t expect much beyond this.”

“The last 10 minutes of the finale almost ruined the entire series.”

“Big Mouth will no doubt satisfy older audience members who crave more thought-provoking, realistic fare in their entertainment choices.”

Transmission Paths

Where to Watch

Disney Plus
CA • US
Hulu
US
Why fans love it

Big Mouth leans into the aesthetics of film noir while navigating the ruthless mechanics of institutional greed. It centers on a lawyer dragged into a shadow world where survival demands a sudden, calculated transformation. The narrative relies on a steady drip of mysterious messages and the threat of an unseen killer, forcing the protagonist to dismantle a protected class of elites from the inside.

Lee Jong-suk anchors this high-stakes investigation as the line between innocent victim and criminal mastermind blurs. The show finds its momentum in the friction between personal desperation and the cold logic of a secret organization. Rather than leaning on simple heroics, the story focuses on the messy, complex fallout of a murder investigation where the truth is consistently weaponized.

Featured Players

Cast

Credited 75
Regulars 30
Longest run 16 eps
Lee Jong-suk
Lee Jong-suk
as Park Changho
16 episodes
Yoona
Yoona
as Go Miho
16 episodes
Kim Ju-hun
Kim Ju-hun
as Choi Doha
16 episodes
Kwak Dong-yeon
Kwak Dong-yeon
as Jerry
16 episodes
Yang Kyung-won
Yang Kyung-won
as Gong Jihoon
16 episodes
Ok Ja-yeon
Ok Ja-yeon
as Hyeon Joohee
16 episodes
Oh Eui-sik
Oh Eui-sik
as Kim Soontae
16 episodes
Kim Jeong-hyeon
Kim Jeong-hyeon
as Jung Chaebong
16 episodes
Show 67 more
Lee Yoo-jun as Han Jaeho 16 episodes Oh Ryoong as Lee Doogeun 16 episodes Yoon Seok-hyun as Cha Seungtae 16 episodes Park Hoon as Seo Jaeyoung 16 episodes Kim Kyu-seon as Ashley Kim 16 episodes Jang Hyuk-jin as Choi Jungrak 16 episodes Kim Sun-hoa as Park Miyoung 16 episodes Park Se-hyun as Jang Heejoo 16 episodes Jeong Jae-seong as Park Yoongab 16 episodes Kang Hyung-wook as No Bak 16 episodes Lee Ki-young as Go Gikwang 16 episodes Kim Dong-won as Gan Soocheol 16 episodes Hong Ji-hee as Jang Hyejin 16 episodes Song Kyung-chul as Yang Choonsik 16 episodes Yoo Tae-joo as Tak Gwangyeon 16 episodes Jeon Kuk-hwan as Chairman Kang Seonggeun 16 episodes Lee Seung-Hyung as Chairman Kang's secretary 16 episodes Han Dong-ho as Secretary Jo 16 episodes Jung Yeon as Kim Gyeongsook 16 episodes Lee Chang-jik as Choi Haesoo 16 episodes Lee Seo-an as Cha Seungtae's wife 16 episodes Kim Kyu-na 16 episodes Pyo Young-seo as Jerry's sister 1 episode Park Kwang-jae as Jiseong Mental Center Staff 2 episodes Kim Min as Police Station Student 1 episode Kim Gyeong-min as TV Debate Moderator 2 episodes Lee Do-hye as Tak Kwang-yeon's Sister 3 episodes Lee Hyoung-hun as Tak Kwang-yeon's Brother 3 episodes Jang In-ho as Detective 1 episode Park Jeong-bok as Prisoner 5362 2 episodes Lee Taek-geun as Kong Ji-hoon's Secretary 1 episode Cha Si-won as Guard Han Yeon-sung 2 episodes Kwon Ban-seok as Reporter 1 episode Jung Hyung-suk as Man in Attendance 1 episode Jang Ui-don as Police Officer 2 episodes Jung Jae-jin as Mr. Choi 2 episodes Jin Tae-yeon as Club Hostess 1 episode Woo Hyun-seo as Club Hostess 1 episode Baek Seung-ik as Waterfowl 1 episode Im Jae-geun as Reporter 1 episode Sung Nak-kyung as Park Yoon-gab's Subordinate 1 episode Jung Dong-geun as Prosecutor Jeon Soo-il 2 episodes Hwang In-jun as Min Byung-nam 2 episodes Han Dong-kyu as Mr. Ko 2 episodes Park Young-bok as Mr. Yeom 1 episode Yoon Bok-sung as Lee Chang Sub 1 episode Min Eung-sik as Judge 1 episode Lee Kyu-seop as Prisoner 5161 2 episodes Park Sang-hyeon as Kim Soo-yeon 1 episode Park Yong as Judge 1 episode Lee Sang-kyung as Waitress 2 episodes Shin Seung-yong as Angry Client 1 episode Lee Byeong-cheol as Angry Client 1 episode Seo Myung-chan as Ji Hoon's Butler 1 episode Lee Dong-kyu as Radio Program Host 1 episode Yoon Kwan-woo as Gucheon Court Staff 1 episode Kim Oh-bok as Defendant's Attorney 1 episode Heo Woong as Prisoner 1002 2 episodes Jin Mo as Prisoner 6678 2 episodes Lee Young-jin as Choi Man-ho 2 episodes Han Gi-joong as Kim Gap-joo 2 episodes Shin Seung-hwan as Peter Hong 2 episodes Kim Do-young as Doctor Hong Kwang-ho 2 episodes Bae Ho-geun as Producer Na 2 episodes Gi Eun-you as Young Choi Do-ha 2 episodes Jeon Jae-Hong as Prison Guard 2 episodes Kim Geon-ho as TV Debate Staff 2 episodes
Production Board

Crew

Music
Park Se-jun
Creator
Jang Young-cheol Jung Gyeong-sun
Executive Producer
Kim Young-kyu Lee Sang-baek
Writer
Kim Ha-ram
Co-Director
Bae Hyun-jin
Vocals
Donghyuk Justhis
Director
Oh Choong-hwan
Signal Match

Similarity

Where Big Mouth overlaps with other shows, and exactly what they have in common.

Keyword Cloud

Keywords

secret organization greed investigation film noir murder conspiracy lawyer mysterious killer mysterious death mysterious messages mysterious figure ambiguous amused
Technical Sheet

Details

First Aired
July 29, 2022
Status
Ended
Episode Runtime
68 minutes
Origin
KR
TMDB Votes
356