Player

Director

• 
  Go Jae Hyun

Screenwriter

• 
  Shin Jae Hyung

Main Role

• 
  Song Seung Heon

  Kang Ha Ri / Choi Su Hyuk

  Main Role
• 
  Krystal Jung

  Cha Ah Ryung

  Main Role
• 
  Lee Si Eon

  Im Byung Min

  Main Role
• 
  Tae Won Seok

  Do Jin Woong

  Main Role
• 
  Kim Won Hae

  Jang In Gyoo

  Main Role

Support Role

• 
  Ahn Se Ho

  Investigator Maeng

  Support Role
• 
  Lee Hwang Ui

  Yoo Gi Hoon [Prosecutors' office deputy chief]

  Support Role
• 
  Kwak Ja Hyung

  Cheon Dong Seop [Loan shark]

  Support Role
• 
  Yoo Ye Bin

  Choo Yeon Hee [Doctor]

  Support Role
• 
  Kim Jong Tae

  "The Man" [Political consultant]

  Support Role
• 
  Ha Soo Ho

  "Tattoo" ["The Man's" aide]

  Support Role
• 
  Lee Hwa Ryong

  Kang Sung Woo [Chief prosecutor]

  Support Role
• 
  Kim Kwi Seon

  CEO Kim [Prosecutors' Office]

  Support Role
• 
  Kim Hyung Mook

  Na Won Hak [Hwayang corporation president]

  Support Role
• 
  Min Joon Hyun

  Shim Dal Soo [Violent crimes detective]

  Support Role
• 
  Lee Seung Chul

  Ji Mok Hyun [Hyungjin group chairman]

  Support Role

Guest Role

• 
  Yoo Seung Ho

  [Security guard] (Ep. 1)

  Guest Role
• 
  Hong Seok Cheon

  [Driving school instructor] (Ep. 1)

  Guest Role
• 
  Kim Seo Kyung

  Mike (Ep. 1-2)

  Guest Role
• 
  Kim Sung Cheol

  Ji Seung Gu [Mok Hyun's son] (Ep. 1-2)

  Guest Role
• 
  Choi Soo Min

  Hwang Yoo Ri (Ep. 3)

  Guest Role
• 
  Lee Do Yeon

  [Won Hak's wife ] (Ep. 4)

  Guest Role
• 
  Jung Tak

  [Boy] (Ep. 6)

  Guest Role
• 
  Bae Min Jung

  Soo Han Na (Ep. 7)

  Guest Role
• 
  Seo Hye Jin

  [Intern] (Ep. 7)

  Guest Role
• 
  Ha Seung Yeon

  [Reporter] (Ep. 7)

  Guest Role
• 
  Jo Jae Yoon

  Reporter Sin (Ep. 8)

  Guest Role
• 
  Ahn Dong Yeob

  (Ep. 8)

  Guest Role
• 
  Bae Hyun Kyung

  Prosecutor Choi (Ep. 11)

  Guest Role
• 
  Choi Hong Il

  Lee Jong Heon (Ep. 12)

  Guest Role
• 
  Kim Mi Hye

  [Anchorwoman] (Ep. 13)

  Guest Role
• 
  Han Da Mi

  [In Gyoo's officer in charge] (Ep. 13-15)

  Guest Role
• 
  Park Jin U

  Mr. Nam

  Guest Role
• 
  Yeon Je Wook

  Yang Tae

  Guest Role
• 
  Park Seon Woo

  Baek Sun

  Guest Role
• 
  Seol Woo Hyung

  Hyun Woo

  Guest Role
• 
  Jin Mo

  Wang Seop

  Guest Role
• 
  Wang Ji Hye

  Ryu Hyun Ja

  Guest Role
• 
  Lee Chung Mi

  Yang Hae Joo

  Guest Role
• 
  Lee Jae Gu

  Choo Won Ki

  Guest Role
• 
  Jung Eun Pyo

  Jin Yong Joon

  Guest Role
• 
  Park Eun Woo

  Byun Young Ji

  Guest Role
• 
  Han Ki Joong

  Kim Seong Jin

  Guest Role
• 
  Kim Kwang Shik

  Park Chun Jae

  Guest Role
• 
  Jung Kang Hee

  Park Chun Jae

  Guest Role
• 
  Kim Eun Soo

  Constable Kim

  Guest Role
• 
  Kwon Ban Suk

  Park Hong Soon

  Guest Role
• 
  Kang Shin Goo

  Park Hyun Jong [Director]

  Guest Role
• 
  Huh Joon Ho

  Choi Hyun Ki [Ha Ri's father]

  Guest Role
• 
  Kim Ki Doo

  [Thug]

  Guest Role
• 
  Kang Min Tae

  [Thug]

  Guest Role
• 
  Ahn Hye Won

  [Reporter]

  Guest Role
• 
  Lee Moo Nyoung

  [Protestor]

  Guest Role
• 
  Hong Seong Gwan

  [Detective]

  Guest Role
• 
  Kim Su In

  [Orphanage kid]

  Guest Role
• 
  Park Tae Yun

  [Orphanage boy]

  Guest Role
• 
  Ju Ah Yeon

  [University student]

  Guest Role
• 
  Jung Myung Joon

  [Man betting at fight]

  Guest Role
• 
  Geum Kwang San

  [Jin Woong's brother]

  Guest Role
• 
  Im Ki Hong

  [Cheon Dong Sub man]

  Guest Role
• 
  Heo Jae Ho

  [Illegal cell phone seller]

  Guest Role
• 
  Han Chul Woo Guest Role

Bit part

• 
  Han Chang Min

  [Boy]

  Bit part
• 
  Im Jae Ha

  [Cynical kid]

  Bit part
• 
  Shin Se Young

  (Ep. 3)

  Bit part
• 
  Lee Chang Bit part
• 
  Hong Boo Hyang Bit part

Unknown

• 
  Oh Young Mi Unknown
• 
  Jung Yong Hee Unknown