Big Mouth (2022)

A wrongly accused lawyer must outwit a ruthless criminal elite by becoming the very legend they fear most.

Big Mouth - Series Information

  • Original Title: 빅마우스
  • First Air Year: 2022
  • Last Air Year: 2022
  • Created by: Jang Young-cheol, Jung Gyeong-sun
  • Type: TV Series
  • Genres: Mystery, Drama, Crime
  • Content Rating (US): TV-14
  • Episode Runtime: Average runtime per episode: 68 minutes
  • Number of Seasons: 1
  • Number of Episodes: 16
  • Status: Ended
  • Original Language: Korean
  • Spoken Languages: Korean
  • First Air Date: July 29, 2022 (United States - TV-14), July 29, 2022 (India - U/A 16+), July 29, 2022 (Brazil - 16), July 29, 2022 (South Korea - 15)
  • Networks: MBC
  • Alternative Titles: Big Mouth (IT), Big Mouth! (SA), Big Mouse (US), 律戰江湖 (HK), 黑话律师 (CN), Базіка (UA), El bocazas (ES), Big Mouse: De Vigarista a Vingador (BR)
  • Production Companies: Studio Dragon, AStory
  • Production Countries: South Korea

Big Mouth - Plot

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.

Big Mouth - Trailer

Watch the official trailer and see the conspiracy begin to unravel:

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Big Mouth - Cast & Crew

Creator(s)

  • Jang Young-cheol
  • Jung Gyeong-sun

Main Cast

  • Lee Jong-suk
  • Yoona
  • Kim Ju-hun
  • Kwak Dong-yeon
  • Yang Kyung-won
  • Ok Ja-yeon
  • Oh Eui-sik
  • Kim Jeong-hyeon
  • Lee Yoo-jun
  • Oh Ryoong

Writers

  • Kim Ha-ram

Executive Producers

  • Kim Young-kyu
  • Lee Sang-baek

Big Mouth - FAQs

Where can you watch Big Mouth online?

Big Mouth is available to stream on Disney Plus and Hulu, both offering it as part of their flat-rate subscription plans. You can also use JustWatch to compare all available viewing options in your region and find the most convenient platform for you.

Is Big Mouth based on a true story?

Big Mouth is not based on a true story. It is an original fictional Korean drama written by Kim Ha-ram, centered on a struggling lawyer who is mistakenly identified as a legendary criminal mastermind. The story draws on themes of corruption, conspiracy, and social inequality rather than real-life events.

Who are the main actors in Big Mouth?

Big Mouth stars Lee Jong-suk as Park Changho, a low-winning-rate lawyer thrust into a dangerous conspiracy, and Yoona as Go Miho, his devoted wife. Supporting cast includes Kim Ju-hun, Kwak Dong-yeon, Yang Kyung-won, Ok Ja-yeon, Oh Eui-sik, Kim Jeong-hyeon, Lee Yoo-jun, and Oh Ryoong.

How many episodes does Big Mouth have?

Big Mouth consists of 16 episodes across one season, with each episode averaging approximately 68 minutes in runtime. The series aired on MBC and concluded in 2022, telling a complete, self-contained story with no additional seasons planned.

Is Big Mouth worth watching for K-drama fans?

Big Mouth is widely praised by K-drama fans for its gripping conspiracy-driven plot, strong lead performances from Lee Jong-suk and Yoona, and tense film noir atmosphere. Critics highlighted its sharp writing and escalating stakes. Viewers who enjoy legal thrillers with layered mysteries and morally complex characters tend to rate it highly.

What is the identity of Big Mouse in Big Mouth?

The true identity of Big Mouse is the central mystery driving the entire series. Park Changho, a seemingly ordinary lawyer, is mistakenly believed to be the legendary criminal mastermind. As the story unfolds, the question of who Big Mouse really is — and whether Changho can embrace or escape that identity — forms the heart of the narrative.

When did Big Mouth first air?

Big Mouth first aired on July 29, 2022, on the South Korean broadcast network MBC. The series was simultaneously made available to international audiences and concluded its run in 2022, completing its single 16-episode season within the same year.

What is the content rating for Big Mouth?

Big Mouth carries a TV-14 content rating in the United States, indicating it contains material that may be unsuitable for children under 14. The series includes themes of murder, conspiracy, corruption, and organized crime, making it best suited for mature teen and adult audiences.

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