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Descriptions:
Big Mouth |
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![]() Promotional poster
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Also known as | Big Mouse[a][2] |
Hangul | 빅마우스 |
Genre | |
Created by |
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Developed by | Kim Ho-jun (planning)[6] |
Written by | Kim Ha-ram[7] |
Directed by | |
Starring | |
Music by | Park Se-joon[8] |
Country of origin | South Korea |
Original language | Korean |
No. of episodes | 16 |
Production | |
Executive producer | Ahn In-yong[6] |
Producers | |
Production companies |
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Distributor | |
Budget | ₩30 billion[9] |
Release | |
Original network | MBC TV |
Original release | July 29 – September 17, 2022 |
Big Mouth (Korean: 빅마우스; RR: Bingmauseu) is a 2022 South Korean television series starring Lee Jong-suk, Im Yoon-ah and Kim Joo-hun. It aired from July 29 to September 17, 2022 on MBC TV‘s Fridays and Saturdays at 21:50 (KST) time slot.[10][11] It is also available for streaming on Disney+ in selected regions.[12]
Synopsis[edit]
The series tells the story of an underperforming lawyer who gets caught up in a murder case. In order to survive and protect his family, he digs into a huge conspiracy among the privileged upper classes.[1][10][13]
Cast[edit]
Main[edit]
- Lee Jong-suk as Park Chang-ho: a third-rate lawyer with a ten percent success rate, called “Big Mouth” by his legal acquaintances due to his tendency to speak before acting. His life is suddenly in danger when he is mistaken for a genius conman known as “Big Mouse”.[a][14]
- Im Yoon-ah as Ko Mi-ho: Chang-ho’s supportive wife who is a nurse and has a bold personality, as well as outstanding beauty.[1][15]
- Kim Joo-hun as Choi Do-ha: the ambitious mayor of Gucheon, whose goal in life is to become the most dignified president.[16][17]
Supporting[edit]
NR Forum[edit]
- Yang Kyung-won as Gong Ji-hoon: the president of the media conglomerate Gukdong Daily and the chairman of the NR Forum.[16]
- Kim Jung-hyun as Jung Chae-bong: the director of Chilbong Academy.[18]
- Lee Yoo-joon as Han Jae-ho: a surgeon.[19]
- Oh Ryung as Lee Du-geun: legal counsel of NR Forum.[18]
- Yoon Seok-hyun as Cha Seung-tae: managing director of OC Group.[18]
- Park Hoon as Seo Jae-yong: head of the Department of Internal Medicine, Hematology and Oncology at Gucheon University Hospital.[18]
- Hong Ji-hee as Jang Hye-jin: Jae-ho’s wife who is a culinary researcher.[18][20]
- Kim Kyu-seon as Ashley Kim: Ji-hoon’s wife, who is a Korean-American and the director of Woojung Gallery.[21]
- Jang Hyuk-jin as Choi Jung-rak: a prosecutor at Gucheon Public Prosecutors’ Office.[18]
Gucheon Hospital[edit]
- Ok Ja-yeon as Hyun Ju-hee: Do-ha’s wife who is the director of Gucheon Hospital.[16]
- Kim Seon-hwa as Park Mi-young: the head nurse at Gucheon Hospital.[22]
- Park Se-hyeon as Jang Hee-joo: a nurse at Gucheon Hospital.[18]
Gucheon Prison[edit]
- Jeong Jae-sung as Park Yoon-gap: the prison warden of Gucheon Prison.[23]
- Kim Dong-won as Gan Su-cheol: a prison officer at Gucheon Prison.[24]
- Kwak Dong-yeon as Jerry / Oh Jin-chul (real name): a scammer with three previous convictions who respects the genius conman “Big Mouse”.[16][25]
- Yang Hyung-wook as Noh Park: a prisoner at Gucheon Prison.[26]
People around Chang-ho[edit]
- Lee Ki-young as Ko Gi-kwang: Mi-ho’s father.[26]
- Oh Eui-shik as Kim Soon-tae: a lawyer who is Chang-ho’s best friend and assistant.[27]
Extended[edit]
- Yoo Tae-ju as Tak Kwang-yeon: a psychopath death row inmate at Gucheon Prison.[28][29]
- Song Kyung-cheol as Yang Chun-sik: a gang leader.[30]
- Park Jeong-bok as Go Tae-sik: a prisoner at Gucheon Prison.[31]
- Shin Seung-hwan as Peter Hong[32]
- Jeon Gook-hwan as Kang Seong-geun (Chairman Kang)[33][34]
Special appearances[edit]
- Yoo Su-bin as Chang-ho and Mi-ho’s neighbor.[35]
- Kim Do-wan as Chang-ho and Mi-ho’s neighbor.[35]
Production and release[edit]
It was reported that filming was scheduled to start in the second half of 2021, with a budget of ₩30 billion.[9][17]
Big Mouth was initially confirmed to be released on tvN.[10] However, in April 2022, it was announced that the series would air on MBC TV‘s newly established Fridays and Saturdays time slot instead, in July.[36]
Original soundtrack[edit]
Part 1[edit]
No. | Title | Lyrics | Music | Artist | Length |
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1. | “Brand New” | Justhis |
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Justhis | 2:51 |
2. | “Brand New” (Inst.) |
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2:51 | ||
Total length: | 5:42 |
Viewership[edit]
Big Mouth : South Korea viewers per episode (millions)
Season | Episode number | Average | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |||
1 | 1.124 | 1.129 | 1.431 | 1.685 | 1.732 | 1.951 | 1.977 | 1.888 | 2.008 | 1.771 | 2.054 | 2.228 | 1.534 | 1.960 | 2.145 | 2.527 | 1.822 |
Source: Audience measurement performed nationwide by Nielsen Korea.[38]
Ep. | Original broadcast date | Average audience share | ||
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Nielsen Korea[38] | TNmS[39] | |||
Nationwide | Seoul | Nationwide | ||
1 | July 29, 2022 | 6.2% (7th) | 6.3% (7th) | 5.6% (10th) |
2 | July 30, 2022 | 6.1% (5th) | 6.4% (4th) | 6.1% (7th) |
3 | August 5, 2022 | 7.6% (4th) | 8.1% (4th) | 8.1% (5th) |
4 | August 6, 2022 | 8.6% (2nd) | 8.7% (2nd) | N/A |
5 | August 12, 2022 | 9.8% (4th) | 10.0% (3rd) | 9.6% (4th) |
6 | August 13, 2022 | 10.8% (2nd) | 10.8% (2nd) | 10.0% (2nd) |
7 | August 19, 2022 | 11.2% (3rd) | 11.4% (3rd) | 10.1% (4th) |
8 | August 20, 2022 | 10.4% (2nd) | 10.3% (2nd) | 9.6% (2nd) |
9 | August 26, 2022 | 11.5% (2nd) | 11.7% (2nd) | 11.0% (2nd) |
10 | August 27, 2022 | 10.0% (2nd) | 10.2% (2nd) | 9.4% (2nd) |
11 | September 2, 2022 | 11.4% (4th) | 11.4% (3rd) | 11.2% (4th) |
12 | September 3, 2022 | 12.0% (2nd) | 12.0% (2nd) | 11.4% (2nd) |
13 | September 9, 2022 | 8.3% (4th) | 8.3% (4th) | N/A |
14 | September 10, 2022 | 10.6% (2nd) | 10.3% (2nd) | 10.1% (2nd) |
15 | September 16, 2022 | 12.3% (3rd) | 12.4% (3rd) | 10.5% (3rd) |
16 | September 17, 2022 | 13.7% (2nd) | 13.9% (2nd) | 12.5% (2nd) |
Average | 10.0% | 10.1% | 9.7[b] | |
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Notes[edit]
- ^ Jump up to:a b “Big Mouth” and “Big Mouse” are both written as 빅마우스 in Korean.[1]
- ^ This average ratings is calculated based on the published ratings, the exact average ratings is unknown due to multiple ratings not published.

Big Mouth빅마우스

Lee Jong-suk

Yoona

Yang Kyung-won

Kim Ju-hun

Kwak Dong-yeon

Ok Ja-yeon

Lee Ki-young

Oh Eui-sik

Lee Yoon Sang

Oh Choong-hwan
No Image Available
Park Se-jun
No Image Available
Kim Ha-ram

Specials
