The Policeman's Lineage

Art Director

• 
  Chae Kyung Sun

Composer

• 
  Lee Byeong Hun

Director

• 
  Lee Kyoo Man

Music Editor

• 
  Jang Yeong Gyu

Production Sound Mixer

• 
  Lee Seung Yeop

Main Role

• 
  Jo Jin Woong

  Park Kang Yoon

  Main Role
• 
  Choi Woo Shik

  Choi Min Jae

  Main Role
• 
  Park Hee Soon

  Hwang In Ho

  Main Role

Support Role

• 
  Kwon Yul

  Na Young Bin

  Support Role
• 
  Park Myung Hoon

  Cha Dong Cheol

  Support Role
• 
  Lee Eol

  Seo Joong Ho

  Support Role
• 
  Hong Ki Joon

  Chairman Yong

  Support Role
• 
  Lee Hyun Wook

  President Kim

  Support Role
• 
  Baek Hyun Jin

  Kwon Gi An

  Support Role
• 
  Park Jung Bum

  [Min Jae's father]

  Support Role
• 
  Won Hyun Joon

  Jeon Yong Bae

  Support Role
• 
  Son In Yong

  Detective Moon

  Support Role
• 
  Yeon Je Wook

  Detective Ahn

  Support Role
• 
  Cha Yeob

  Detective Gi

  Support Role
• 
  Lee Do Goon

  Detective Huh

  Support Role
• 
  Yoon Jin Young

  General Manager Jang

  Support Role
• 
  Kim Geu Lim

  Sergeant Yoon

  Support Role
• 
  Im Chul Hyung

  [High-level officer #1]

  Support Role
• 
  Kwak Min Seok

  [High-level officer #2]

  Support Role
• 
  Nam Moon Chul

  [Detective squad chief]

  Support Role
• 
  Lee Sung Woo

  Team Leader Han [Narcotics Division]

  Support Role
• 
  Kim Joon Bum

  [Hospital director]

  Support Role
• 
  Kim Jae Young

  Kim Jun Kyu

  Support Role
• 
  Han Gap Soo

  Baek [Executive director]

  Support Role
• 
  Lee Woon San

  [Na Young Bin's attorney]

  Support Role
• 
  Jung Eui Wook

  [Team #3 leader]

  Support Role
• 
  Park Ki Duk

  [Butcher]

  Support Role
• 
  Seo Young Hwa

  [Min Jae's mother]

  Support Role
• 
  Park Soo Oh

  Min Jae [Young]

  Support Role
• 
  Jang Seo Kyung

  [Min Jae's younger sister]

  Support Role
• 
  Kim Han Na

  [Jeon Young Bae's daughter]

  Support Role

Guest Role

• 
  Jung Sung Mo

  Chairman Kim

  Guest Role
• 
  Jin Shi Won

  [Han's team member #2]

  Guest Role
• 
  No Eun Ha

  [Past resident #2 voice]

  Guest Role

Bit part

• 
  Lee Dong Wook

  [Former team leader]

  Bit part
• 
  Park Jae Chul

  [Paramedic]

  Bit part
• 
  Han Chang Hyun

  [Presiding judge]

  Bit part
• 
  Heo Hyung Kyu

  [Counsel]

  Bit part
• 
  Jung Min Sung

  Detective Son

  Bit part
• 
  Kim Tae Gyum

  [Defendant]

  Bit part
• 
  Shin Cheol Yong

  Team Leader Do

  Bit part
• 
  Jung Jong Woo

  [Judo opponent]

  Bit part
• 
  Baek Seo Bin

  [Investigator #1]

  Bit part
• 
  Jang Rae Gun

  [Investigator #2]

  Bit part
• 
  Lee Taek Geun

  [Past inspector #1]

  Bit part
• 
  Moon Jung Woong

  [Detective #1]

  Bit part
• 
  Seo Ho Chul

  [Na's substitute]

  Bit part
• 
  Park Young Soo

  [Warden]

  Bit part
• 
  Woo Soo Bin

  [Kwon Ki An's subordinate #1]

  Bit part
• 
  Lee Tae Goo

  [Traffic police]

  Bit part
• 
  Park Young Bin

  [House guard #2]

  Bit part
• 
  Eom Ji Man

  [Attendant]

  Bit part
• 
  Lee Won Hee

  [Drug man]

  Bit part
• 
  Lee Seul Ah

  [Female model]

  Bit part
• 
  Richard Kim

  [Investor #2]

  Bit part
• 
  Jang Eui Don

  [Investor #3]

  Bit part
• 
  Roh Eun Jung

  [Drug investor]

  Bit part
• 
  Kim Gon

  Cha Boo Ha [Cha's subordinate #2]

  Bit part
• 
  Im Young Woo

  [Inspector #2 in the past ]

  Bit part

Unknown

• 
  Lim Jung Min

  [Fighting man]

  Unknown