Diary of a Prosecutor

Director

• 
  Lee Tae Gon

Screenwriter

• 
  Park Yeon Sun
• 
  Lee Hyeon
• 
  Seo Ja Yeon

Main Role

• 
  Lee Sun Kyun

  Lee Seon Ung

  Main Role
• 
  Jung Ryeo Won

  Cha Myung Joo

  Main Role
• 
  Lee Sung Jae

  Jo Min Ho

  Main Role
• 
  Lee Sang Hee

  Oh Yoon Jin

  Main Role
• 
  Kim Kwang Gyu

  Hong Jong Hak

  Main Role
• 
  Jeon Sung Woo

  Kim Jung Woo

  Main Role

Support Role

• 
  Baek Hyeon Ju

  Jang Man Ok [Investigator - Jinyeong Prosecutor's Office]

  Support Role
• 
  Ahn Chang Hwan

  Lee Jung Hwan [Investigator - Jinyeong Prosecutor's Office]

  Support Role
• 
  Ahn Eun Jin

  Sung Mi Ran

  Support Role
• 
  Jung Jae Sung

  Kim In Ju [Jinyeong District Prosecutor Office's branch chief]

  Support Role
• 
  Kim Yong Hee

  Nam Byung Joon [Head of Criminal Department]

  Support Role
• 
  Cha Soon Bae

  Lawyer Choi Tae Joong [Attorney]

  Support Role
• 
  Kang Ye Seo

  Yang Eun Jeong

  Support Role

Guest Role

• 
  Park Sang Yong

  Park Sang Yong [Prosecutor]

  Guest Role
• 
  Hong Seo Joon

  Min Sung Jin

  Guest Role
• 
  Kwak Ja Hyung

  Lee Sun Cheol [Shaman] (Ep. 1, 16)

  Guest Role
• 
  Son Kyung Won

  Kim Young Choon [One of the victims of unpaid wages] (Ep. 2-3)

  Guest Role
• 
  Sung Ian

  Kim Jang Shin

  Guest Role
• 
  Baek Seung Chul

  [Deliveryman] (Ep.5)

  Guest Role
• 
  Jeon Jin Ki

  Cha Joo Hwan [Myung Joo's father] (Ep.6)

  Guest Role
• 
  Kang Ae Sim

  Moon Ok Rim [Myung Joo's mother] (Ep.6)

  Guest Role
• 
  Yoo Ha Bok

  Mr. Jung [Chief prosecutor] (Ep.9-10, 14)

  Guest Role
• 
  Min Kyung Ok

  Jang Young Sook [Domestic violence victim] (Ep. 6,15)

  Guest Role
• 
  Go In Beom

  Hwang Il Soo / "The Ax" [Civil petitioner] (Ep. 9)

  Guest Role
• 
  Jung Dong Gyu

  Park In Ho [Prosecutor general] (Ep.9)

  Guest Role
• 
  Kang Moon Kyung

  Kang Jun Mo [Assemblyman] (Ep.10)

  Guest Role
• 
  Kim Yoo Suk

  Choi Jong Hoon [Chief Branch] (Ep.11-14)

  Guest Role
• 
  Park Yong

  Ahn Jong Soo (Ep. 13)

  Guest Role
• 
  Song Kyung Eui

  [Judge] (Ep.14)

  Guest Role
• 
  Jung Hyun Seok

  Park Young Soo (Ep. 13)

  Guest Role
• 
  Choi Min Geum

  Kang Hyun Suk (Ep.13)

  Guest Role
• 
  Bae Gi Beom

  Kim Young Ho [Scammer] (Ep. 13)

  Guest Role
• 
  Sung Hyun Mi

  [Restaurant owner] (Ep. 13)

  Guest Role
• 
  Jin Yong Wook

  Gu Jae Hwan [Chauffeur] (Ep.14)

  Guest Role
• 
  Kim Mi Ra

  Ms. Seo (Ep. 13)

  Guest Role
• 
  Kim Seon Gyeong

  Kim Joo Yun (Ep.3)

  Guest Role
• 
  Im Yong Soon

  [Award presenter] (Ep.3)

  Guest Role
• 
  Park Sung Yun

  Kang Young Hee (Ep.13)

  Guest Role
• 
  Byun Jung Soo

  [Min Ho's ex-wife] (Ep.16)

  Guest Role
• 
  Park Boo Gun

  Kang In Sang (Ep.10, 14)

  Guest Role
• 
  Heo Woong

  [Gambling hall manager] (Ep.5)

  Guest Role
• 
  Shin Hee Gook

  [Law student] (Ep.11)

  Guest Role
• 
  Bae Seong Il

  [Detective] (Ep.1)

  Guest Role
• 
  Kim Jung Jin

  Bae Soo Min (Ep.13)

  Guest Role
• 
  Choi Ji Yeon

  [Office Staff]

  Guest Role
• 
  Lee Tae Goo Guest Role
• 
  Moon Sun Yong

  Kwon Doo Pil (Ep.11)

  Guest Role
• 
  Shin Chul Jin

  Jang Cheol Jin (Ep.2)

  Guest Role
• 
  Yong Jin

  [Gambling hall staff]

  Guest Role
• 
  Lee Yoon Jae

  Jo Hyung Jae (Ep.15)

  Guest Role
• 
  Choi Hyung Joo

  Jae Hoon (Ep. 6-7)

  Guest Role
• 
  Kim Hyeon Tae

  [Graduation ceremony] (ep.2)

  Guest Role
• 
  Han Dae Gwan

  Lee Ho Seok (Ep.11)

  Guest Role
• 
  Kim Mi Hye

  [Reporter] (Ep. 1)

  Guest Role
• 
  Jang Joon Ho

  [Professor] (ep.8)

  Guest Role
• 
  Jo Yi Haeng

  Park Seon Woo (ep.12,14)

  Guest Role
• 
  Kim Han Sang

  [orders a beer at illegal gambling site] (Ep 5)

  Guest Role
• 
  Kang Hak Soo

  [Suspect] (Ep 4)

  Guest Role
• 
  Moon Hyun Jung

  [Bang Bae Seong's wife] (Ep.15)

  Guest Role
• 
  Kwak Soo Jung

  [Bang Bae Seong's mother] (Ep.15)

  Guest Role
• 
  Kim Jung Soo

  [Actor in Drama] (Ep.1)

  Guest Role
• 
  Lee Do Hyung

  Seo Hye Sook (Ep. 13)

  Guest Role
• 
  Kang Dong Yup

  Bae Yeong Jun (Ep.8)

  Guest Role
• 
  You Yi Joon

  Kim In Ho (Ep. 4)

  Guest Role
• 
  Joo Jin Soo

  Baek Gi Bok (Ep. 3)

  Guest Role
• 
  Son Sang Kyung

  Bang Bae Seong (Ep.15)

  Guest Role
• 
  Kim Nak Gyun

  [Yang Joo Chan's attorney] (Ep.14)

  Guest Role
• 
  Park Kyung Geun

  Yang Joo Chan (Ep.14)

  Guest Role
• 
  O Ji Yeong

  Seo Hye Sook (Ep.13)

  Guest Role
• 
  Lee Joo Shil

  Kang Hyun Soo (Ep.13)

  Guest Role
• 
  Uhm Tae Ok

  Yoon Seong Jo (Ep.13)

  Guest Role
• 
  Maeng Bong Hak

  [Pastor] (Ep.13)

  Guest Role
• 
  Park Shin Woon

  Seol In Soo (Ep. 13)

  Guest Role
• 
  Park Jong Sang

  Yang Sae Han (Ep.12)

  Guest Role
• 
  Kim Dae Heung

  Ha Jae Ho (Ep.12)

  Guest Role
• 
  Park Seo Yeon

  Cha Myung Joo [Young] (Ep.6)

  Guest Role
• 
  Kim Dae Han

  [Gambling hall security] (Ep.5)

  Guest Role
• 
  Kim Seon Hwa

  Moon Hee Sook (Ep.5)

  Guest Role
• 
  Park Sang Gyu

  CEO Park Jae Sik (Ep.4)

  Guest Role
• 
  Lee Soo In

  Choi Jeong Ran (Ep.4)

  Guest Role
• 
  Park Ok Chool

  Jang Eun Joo (Ep.3)

  Guest Role
• 
  Lee Sang Hoon

  Yoon Sung Soo (Ep.3)

  Guest Role
• 
  Lee Young Ran

  Jung Bok Rye (Ep.3,13)

  Guest Role
• 
  Gong Yoo Seok

  [Lee Ho Soon's son] (Ep.2)

  Guest Role
• 
  Shin Yeon Suk

  Lee Ho Soon (Ep.2)

  Guest Role
• 
  Lee Kwang Se

  Kim Man Soo (Ep.2)

  Guest Role
• 
  Jung Ji Ho

  [Prospective prosecutor] (Ep.1)

  Guest Role
• 
  Shim Eun Woo

  Ye Rim (Ep.1)

  Guest Role
• 
  Kim Geon Ho

  [Park Jeong Nam's son] (Ep.1)

  Guest Role
• 
  Kim Chu Wol

  Park Jeong Nam (Ep.1)

  Guest Role
• 
  Yoo Yong

  Choi Dae Jin (Ep.15)

  Guest Role
• 
  Kim Ji Sung

  Jeon A Yeong (Ep. 16)

  Guest Role
• 
  Lee Yang Hee

  [Kim In Joo's ex-colleague] (Ep.11)

  Guest Role
• 
  Jung Myung Joon

  Park Cheol Woo (Ep.16)

  Guest Role
• 
  Lee Yo Sung

  Kim Yong Chul (Ep.15)

  Guest Role
• 
  Yeo Woon Bok

  Lee Jong Won (Ep.15)

  Guest Role
• 
  Ryu Seong Hyeon

  Park Jung Gon (Ep.9-10)

  Guest Role
• 
  Yang So Min

  [Lee Sun Woong's wife] (Ep.7)

  Guest Role
• 
  Kim Min Kyung

  [Seong Woo's mother] (Ep.8)

  Guest Role
• 
  Ahn Se Eun

  [Witness] (Ep. 16)

  Guest Role
• 
  Kim Su Kyung

  [Crying baby's mother] (Ep.3-4)

  Guest Role
• 
  Kim Jin Ok

  [Sauna woman] (Ep.5)

  Guest Role
• 
  Kim Sang Il

  Choi Sang Gul (Ep. 2)

  Guest Role
• 
  Kwon Ban Suk

  Kim Dae Young (Ep. 16)

  Guest Role
• 
  Lee Ja Ryoung

  Song Yi Yeong [Attorney] (Ep. 7)

  Guest Role
• 
  Park Jung Min

  Choi Joon Ho (Ep. 16)

  Guest Role
• 
  Lee Eun Ju

  [Judge] (Ep. 1)

  Guest Role
• 
  Lee Kwang Ik

  [Gambler]

  Guest Role
• 
  Kang Choon Sung

  Song Eui Jong (Ep. 9)

  Guest Role
• 
  Kang Ji Hoon

  [News announcer] (Ep. 4,7,10)

  Guest Role
• 
  Gu Yun Hoi

  [Arrested piano teacher] (Ep. 1)

  Guest Role
• 
  Kim Do Hyeong

  [Room 309 prosecutor] (Ep. 1)

  Guest Role
• 
  Ahn Joong Kwon

  [Testifier]

  Guest Role
• 
  Hwang Yun Seon

  [Graduation ceremony] (Ep. 2)

  Guest Role
• 
  Kim Geu Lim

  [Min Soo's wife] (Ep. 6)

  Guest Role
• 
  Park Hee Eun

  [Min Seok's mother] (Ep. 7)

  Guest Role
• 
  Min Dae Shik

  [Min Seok's father](Ep. 7)

  Guest Role
• 
  Lee Hye Ra

  [Pediatrician] (Ep. 8)

  Guest Role
• 
  Park Eun Young

  [Sauna woman] (Ep. 5)

  Guest Role
• 
  Bae Hyun Kyung

  [Detective] (Ep. 1)

  Guest Role
• 
  Kim Soo Yeon

  Kim Su Yeon

  Guest Role
• 
  Je Seung Hyun

  [Prosecutor] (Ep. 9)

  Guest Role
• 
  Choi Nam Uk

  [Lottery ticket winner]

  Guest Role
• 
  Heo Hyung Kyu

  Seong Woo (Ep.8)

  Guest Role
• 
  Lee Dong Hwi

  Cha Myung Jo's classmate [Ep.2]

  Guest Role

Unknown

• 
  Park Tae Jin Unknown
• 
  Kim Ye Ji Unknown
• 
  Jung Jin Woo Unknown