‘Mouse’: Release date, plot, cast, teaser and all you need to know about tvN suspense drama featuring Lee Seung-gi

‘Mouse’ will revolve around the story of a rookie police officer named Jung Ba-Reum, played by Lee Seung-gi, who has to solve a criminal case caused by a new psychopath murderer in town
The cast of 'Mouse' (TVN/ Instagram)
The cast of 'Mouse' (TVN/ Instagram)

‘Mouse’, a new suspense-filled tvN drama, is all set to release. The latest teaser of the drama has got the viewers hooked on the show already.

From plot, cast details, where to watch to all the teaser updates, here is all the buzz regarding ‘Mouse’.

For thrill-seekers, ‘Mouse’ won’t disappoint as it unveils a gripping storyline with a cast to die for. With the K-pop star Lee Seung-gi as the lead and a supporting cast featuring a star-studded lineup of K-drama actors including Lee Hee Joon, Park Joo-Hyun, Kyung Soo-Jin, Ahn Jae-Wook, and more, the drama has raised high expectations.

Shedding light on thriller K-drama, the production team stated,  “Mouse contains a unique storyline that sets it completely apart from past series that have psychopaths. We ask for your interest in following the plot development and character transformations.”

Prior to its release, here are all the updates.



 

RELEATED ARTICLES

'Beyond Evil' Full Cast List: Meet Yen Jin-goo, Shin Ha-kyun and rest of the stars of JTBC's thriller series

‘Beyond Evil’: Release date, cast, trailer and all you need to know about Yen Jin Goo starring JTBC thriller

Plot

‘Mouse’ will revolve around the story of a rookie police officer named Jung Ba-Reum, played by Lee Seung-gi, who has to solve a criminal case caused by a new psychopath murderer in town. Jung Ba-Reum must bring justice to the victims and catch the murderer at whatever cost. The drama will also feature some sci-fi elements with which future psychopaths can be determined through a fetal DNA check. 

Release date

The tvN drama is dropping its first episode on March 3, 2021, and will be aired every Wednesday and Thursday at 22.30 PM KST at TVN network.

Cast



 

The star-studded cast of the thriller features K-pop star turned award-winning actor Lee Seung-gi along with Lee Hee Joon, Park Joo-Hyun, Kyung Soo-Jin, Ahn Jae-Wook, and more. Lee Seung-gi is known for being part of a number of K-drama series including ‘Brilliant Legacy’ (2009), ‘My Girlfriend Is a Nine-Tailed Fox’ (2010), The ‘King 2 Hearts’ (2012), ‘You're All Surrounded’ (2014), ‘A Korean Odyssey’ (2017–2018), and ‘Vagabond’ (2019).



 

Creator

‘Mouse’ is penned by screenwriter Choi Ran famed for the fantasy thriller series ‘Black’ (2017) along with Kang Cheol-woo. It has been directed by Choi Joon-bae, director of the hit series ‘Come and Hug Me’.

Teaser

Check out the spine-chilling teaser of the tvN drama here.



 

GET THE BIGGEST ENTERTAINMENT STORIES
STRAIGHT TO YOUR INBOX.

MORE STORIES

Left Bank Pictures has responded to a tragic incident at the Edinburgh studio used for ‘Dept. Q’ as police inquiries into the circumstances continue.
2026-11-14T15:25:47.000Z
A fan-favorite ‘Matlock’ star shares a behind-the-scenes update as the CBS drama prepares for its Season 3 return.
2026-11-14T14:08:57.000Z
‘Gilmore Girls’ documentary ‘Drink Coffee, Talk Fast’ brings back familiar cast members, including Jared Padalecki and Scott Pattersonts
2026-11-14T10:08:21.000Z
'CSI' veteran Marg Helgenberger was once one of the highest-paid small-screen actresses
2026-11-14T09:17:43.000Z
Dexter sets his sights on the Jaw Splitter in Season 2, Episode 3, while a fan theory links the mysterious killer to actor Jack Dylan Grazer.
2026-11-14T07:37:35.000Z
‘Law & Order: SVU’ showrunner Michele Fazekas addresses Benson and Stabler’s future after their emotional reunion in the milestone 600th episode
2026-11-14T07:25:13.000Z
‘Station 19’ alum Jay Hayden joins ‘Fire Country’ Season 5 as Mason Ellis, whose return to Edgewater sparks a new conflict between Bode and Jake
2026-11-14T06:34:18.000Z
CBS brings ‘Marshals’ and ‘Tracker’ back to its Sunday lineup on November 15 with new episodes following a one-week break for ‘Cupertino.’
2026-11-14T05:54:18.000Z
Boone and Mickey's relationship gets complicated with Emmy's arrival in 'Sheriff Country'
2026-11-14T04:43:33.000Z
Benson reunites with the detective as the SVU squad investigates an assault involving a police officer
2026-11-14T04:25:17.000Z