Bad Prosecutor

Director

• 
  Kim Sung Ho
• 
  Choi Yeon Soo

Screenwriter

• 
  Im Young Bin

Main Role

• 
  Doh Kyung Soo

  Jin Jung

  Main Role
• 
  Lee Se Hee

  Sin A Ra

  Main Role
• 
  Ha Jun

  Oh Do Hwan

  Main Role

Support Role

• 
  Joo Bo Young

  Baek Eun Ji

  Support Role
• 
  Lee Si Eon

  Go Joong Do

  Support Role
• 
  Kim Sang Ho

  Park Jae Kyung

  Support Role
• 
  Yeon Jun Seok

  Lee Chul Ki

  Support Role
• 
  Lee Hyo Na

  Park Ye Yeoung

  Support Role
• 
  Kim Tae Woo

  Kim Tae Ho

  Support Role
• 
  Choi Kwang Il

  Lee Jang Won

  Support Role
• 
  Kim Hi Eo Ra

  Secretary Tae

  Support Role
• 
  Yoon Jung Sub

  Investigator Park

  Support Role
• 
  Hong Eui Joon

  Investigator Kang

  Support Role
• 
  Yu Hwan

  Seo Ji Han

  Support Role
• 
  Jung Jae Won

  Min Goo

  Support Role
• 
  Lee Woo Sung

  Kim Hyo Joon

  Support Role
• 
  Kim Chang Wan

  Seo Hyun Kyu

  Support Role
• 
  Shin Seung Hwan

  Yoo Jin Chul

  Support Role
• 
  Lee Woo Sung

  Kim Hyo Jun

  Support Role
• 
  Kim Geum Soon

  [Jin Jung's mother]

  Support Role
• 
  Jung Hyun Joon

  Jin Jung [Young]

  Support Role

Guest Role

• 
  Hong Sang Pyo

  [Detective] (Ep. 1)

  Guest Role
• 
  Kim Jung Hwan

  [Sushi chef] (Ep. 1)

  Guest Role
• 
  Lee Dong Gyu

  [Ceremony host] (Ep. 1)

  Guest Role
• 
  O Gyu Taek

  [Hyeong Gyun's associate] (Ep. 1)

  Guest Role
• 
  Kang Seong Uk

  [Police officer] (Ep. 1)

  Guest Role
• 
  Bag Jeong Min

  [Reporter] (Ep. 1)

  Guest Role
• 
  Jo Seung Yun

  Kim Hyeong Gyun (Ep. 1-2)

  Guest Role
• 
  Kim Hyun Kyu

  [Reporter] (Ep. 1, 3)

  Guest Role
• 
  Im Yong Soon

  [Judge] (Ep. 1, 12)

  Guest Role
• 
  Kwak Min Jun

  Mr. Park (Ep. 2)

  Guest Role
• 
  Go Yoo An

  [Private taxi driver] (Ep. 2)

  Guest Role
• 
  Jin Shi Won

  [Airport departures staff] (Ep. 2)

  Guest Role
• 
  Joo Eun Seo

  [Airport staff] (Ep. 2)

  Guest Role
• 
  Lee Gyu Sub

  [GN1 Entertainment CEO] (Ep. 2)

  Guest Role
• 
  Kim Min Sol

  [Customer] (Ep. 2)

  Guest Role
• 
  Ahn Ji Hee

  [Jang Won's secretary] (Ep. 3)

  Guest Role
• 
  Jung Yeun

  [Detective] (Ep. 3)

  Guest Role
• 
  Oh Yun Sung

  Ye Ji (Ep. 4)

  Guest Role
• 
  Park Jin Yeong

  Im Yun Cheol [Minister of Justice] (Ep. 4)

  Guest Role
• 
  Park Joon Soo

  [Crematorium staff] (Ep. 4)

  Guest Role
• 
  Shin Hee Gook

  [Building security guard] (Ep. 4)

  Guest Role
• 
  Kim Jeong Nam

  [Board game player] (Ep. 4)

  Guest Role
• 
  Shin Shin Beom

  [Board game spectator] (Ep. 4)

  Guest Role
• 
  Kim Jung Young

  Jang Jae Hui [Professor] (Ep. 4, 6, 8)

  Guest Role
• 
  Bae Je Ki

  Jung Jae Hun [Examiner] (Ep. 4, 7)

  Guest Role
• 
  Baek Ha Bin

  Han Su Bin (Ep. 4, 8)

  Guest Role
• 
  Im Ye Eun

  [Ye Ji's mother] (Ep. 4, 8)

  Guest Role
• 
  Kim Jeong Yeon

  [Nail salon employee] (Ep. 5)

  Guest Role
• 
  Lee Seung Jin

  [Central District Prosecutors' Office investigator] (Ep. 5)

  Guest Role
• 
  Lee Jong Hyuk

  Jin Gang U [Jin Jung's father] (Ep. 5-6, 8, 10, 12)

  Guest Role
• 
  Kim Woo Jin

  Prosecutor Cha (Ep. 6)

  Guest Role
• 
  Je Seung Hyun

  [Law Firm Kangsan receptionist] (Ep. 8)

  Guest Role
• 
  Jang Eui Don

  Song Jae Seok (Ep. 8, 11)

  Guest Role
• 
  Park Young Bok

  [Salt pond boss] (Ep. 9)

  Guest Role
• 
  Jang Yoo

  [Stowaway gang boss] (Ep. 9)

  Guest Role
• 
  Kim Dae Geun

  [Stowaway gang member] (Ep. 9)

  Guest Role
• 
  Seo Kwang Jae

  [Judge] (Ep. 10)

  Guest Role
• 
  Shin Ha Jun

  [Law Firm Kangsan's Lawyer] (Ep. 10)

  Guest Role
• 
  Kwak Na Yeon

  [Hospital patient] (Ep. 10)

  Guest Role
• 
  Jang Eun Seo

  [Nurse] (Ep. 10)

  Guest Role
• 
  Park Gi Seon

  [Company employee] (Ep. 10)

  Guest Role
• 
  Bae Gi Beom

  [Central District Prosecutors' Office judge] (Ep. 10)

  Guest Role
• 
  Yook Hyun Suk

  [Law Firm Kangsan employee] (Ep. 11)

  Guest Role
• 
  Sin Ga Ram

  Mi Jung (Ep. 12)

  Guest Role
• 
  Yoo Byung Sun

  [A Ra's staff]

  Guest Role

Unknown

• 
  Lee Jae Woong Unknown
• 
  Park Riwon Unknown
• 
  Jung Min Seok Unknown
• 
  Baek Cho A Unknown