Dark Figure of Crime

A serial killer is caught for his seventh murder. A cop tries to solve the first six cases with the killer's help, but starts to suspect that he has ulterior motives. Based on a true story.

• 
  Kim Tae-gyoon

• 
  Kim Yun-seok
  Kim Hyeong-min
• 
  Ju Ji-hoon
  Kang Tae-oh
• 
  Moon Jeong-hee
  Kim Soo-min
• 
  Jin Sun-kyu
  Detective Jo
• 
  Jeong Jong-jun
  Chief of Crime Department
• 
  Heo Jin
  Ji-hee's Grandmother
• 
  Kim Joong-ki
  Lawyer
• 
  Kim Young-woong
  Jeong-bong
• 
  Jeong Gi-seop
  Detective Han
• 
  Kim Mi-hwa
  Hair Salon Manager
• 
  Lee Bong-ryeon
  Kang Sook-ja
• 
  Jeon Kuk-hwan
  Hyeong-min's Father
• 
  Kim Jong-soo
  Captain Ma-soo
• 
  Bae Hae-seon
  Park Mi-yeong
• 
  Won Hyun-jun
  Kim Wook-cheol
• 
  Park Jin-young
  Judge
• 
  Ju Jin-mo
  Song Kyeong-soo
• 
  Ko Chang-seok
  Diving Captain Jam-soo
• 
  Lee Yoo-jun
  President Park
• 
  Kwon So-hyun
  Oh Ji-hee