Inspector Koo (2021): Where to Watch, Cast & Facts
An evergreen, sourced guide to Inspector Koo: streaming options, cast and core facts.

Looking for where to watch Inspector Koo (2021)? Here's an evergreen, sourced guide to streaming options, the cast and the core facts of this TV series. A never-before-seen inspector.
Where to watch
TMDB's U.S. watch-provider data lists Netflix, Netflix Standard with Ads. Availability changes by country and date, so check your streaming app before watching.
Cast
Lee Young-ae as Koo Kyung-yi; Kim Hye-jun as Song Yi-kyung / "K"; Kim Hae-sook as Director Yong; Kwak Sun-young as Na Je-hui; Baek Sung-chul as Santa; Cho Hyun-chul as Oh Gyeong-su; Lee Hong-nae as An Geon-uk
About Inspector Koo
A reclusive ex-cop reenters the game as an insurance investigator, searching for clues in crime scenes perfectly staged by a serial killer in her midst.
More like Inspector Koo
- Nemesis
- The Smile Has Left Your Eyes
- Nobody Knows
- Criminal Record
- The Good Detective
- A Good Girl's Guide to Murder
- Dalgliesh
- Siren's Kiss
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch Inspector Koo?
TMDB's U.S. watch-provider data lists Netflix, Netflix Standard with Ads. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of Inspector Koo?
Lee Young-ae as Koo Kyung-yi; Kim Hye-jun as Song Yi-kyung / "K"; Kim Hae-sook as Director Yong; Kwak Sun-young as Na Je-hui; Baek Sung-chul as Santa; Cho Hyun-chul as Oh Gyeong-su; Lee Hong-nae as An Geon-uk
Is this Inspector Koo guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



