Tell Me Something

Detective Cho, a cop on the edge, is mourning his mother's recent death while under investigation for graft; on top of that he is suddenly put in charge of a seemingly-impenetrable mystery.

• 
  Chang Youn-hyun

• 
  Han Suk-kyu
  Detective Cho
• 
  Shim Eun-ha
  Chae Su-yeon
• 
  Jang Hang-seon
  Detective Oh
• 
  Yu Jun-sang
  Kim Ki-yeon
• 
  Yum Jung-ah
  Oh Seung-min
• 
  Ahn Suk-hwan
  Prosecutor Gu
• 
  Kim Jung-hak
  Detective Lee
• 
  Gil Eun-hye
  Young Soo-yeon
• 
  Park Cheol-ho
  Section Chief Yoo
• 
  Lee Hwan-jun
  Detective Kim
• 
  Kwon Tae-won
  Chae Yong-hoon
• 
  Lee Dae-ro
  Chief of Police
• 
  Maeng Bong-hak
  Museum Colleague
• 
  Kwon Nam-hee
  Soo-yeon's Mother
• 
  Park Jeong-mi
  Museum Colleague
• 
  Park Jun-hwa
  Kid