The Policeman's Lineage

A by-the-book police officer is assigned to secretly investigate a team leader who believes that the rules shouldn't stop an investigation. As the officer investigates further, his own attitudes begin to mirror the team leader's.

• 
  Choi Woo-shik

  Choi Min-jae
• 
  Cho Jin-woong

  Park Kang-yoon
• 
  Lee Hyun-wook

  President Kim
• 
  Park Hee-soon

  Chief of inspection
• 
  Kwon Yul

  Na Young-bin
• 
  Park Myung-hoon

  Cha Dong-chul
• 
  Jeong Seong-mo

  President Kim
• 
  Lee Eol

  Seo Joong-ho
• 
  Hong Gi-jun

  President Yong
• 
  Bek Hyun-jin

  Kwon Gi-ahn