Cast and Crew of Inspector Koo

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.

Full Cast of Inspector Koo

Lee Hong-nae as An Geon-uk

Lee Hong-nae

as An Geon-uk

Lee Hong-nae was born on January 28, 1990 and is currently 34 years old.

Kim Hye-jun as Song Yi-kyung / "K"

Kim Hye-jun

as Song Yi-kyung / "K"

Kim Hye-jun was born on May 8, 1995 and is currently 29 years old.