Mouse follows rookie police officer Jung Ba-reum (Lee Seung-gi) who, in his desperate quest for justice, stumbles across a dangerous serial killer. While he manages to evade the serial killer, he remains scarred by the encounter – leading to some interesting changes in his life.
| Directed by: | Choi Joon-bae |
| Written by: | Choi Ran |
| Starring: | Lee Seung-gi, Lee Hee-joon, Park Joo-hyun, Kyung Soo-jin, Kim Kang-hoon |
| Extended Cast: | Ahn Jae-wook, Kim Jung-nam, Pyo Ji-hoon, Woo Ji-hyun, Kim Young-ok, Jo Jae-yoon, Kim Young-jae, Lee Seo-joon, Moon Woo-jin, Kwon Hwa-yoon, Kang Mal-geum, Seo Dong-hyun, Jin Seo-yun, Lee Ja-ryung, Kim Mi-hye, Ma Dong-seok |
| Original network: | tvN |
| Original release: | 3 March 2021 |
| No. of episodes: | 20 |
| Running Time: | 70 Minutes |
| Production Company(s): | HIGROUND, Studio Invictus |
| Distributor: | tvN |
| Source: | tvN |
