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.

• 
  Lee Young-ae

  Koo Kyung-yi
• 
  Kim Hye-jun

  Song Yi-kyung / "K"
• 
  Kim Hae-sook

  Director Yong
• 
  Kwak Sun-young

  Na Je-hui
• 
  Baek Sung-chul

  Santa
• 
  Cho Hyun-chul

  Oh Gyeong-su
• 
  Lee Hong-nae

  An Geon-uk