The Good Detective Season 2

Composer

• 
  Park Se Jun

Director

• 
  Jo Nam Gook

Screenwriter

• 
  Choi Jin Won

Main Role

• 
  Son Hyun Joo

  Kang Do Chang

  Main Role
• 
  Jang Seung Jo

  O Ji Hyeok

  Main Role
• 
  Kim Hyo Jin

  Cheon Na Na

  Main Role
• 
  Jung Moon Sung

  Woo Tae Ho

  Main Role

Support Role

• 
  Cha Rae Hyoung

  Kwon Jae Hong

  Support Role
• 
  Jung Soon Won

  Ji Man G

  Support Role
• 
  Kim Ji Hoon

  Byeon Ji Ung

  Support Role
• 
  Kim Myung Joon

  Sim Dong Uk

  Support Role
• 
  Son Jong Hak

  Moon Sang Beom

  Support Role
• 
  Cho Hee Bong

  Woo Bong Sik

  Support Role
• 
  Lee Ha Eun

  Lee Eun Hye

  Support Role
• 
  Baek Eun Hye

  Kang Eun Hui

  Support Role
• 
  Choi Dae Hoon

  Cheon Sang U

  Support Role
• 
  Park Won Sang

  Choi Yong Geun

  Support Role
• 
  Hong Seo Young

  Moon Bo Gyeong

  Support Role
• 
  Song Young Chang

  Cheon Seong Dae

  Support Role
• 
  Lee Hyun Kyun

  Choi Sang Ho [TJ Group lawyer]

  Support Role
• 
  Ha Young

  Jung Hui Ju

  Support Role
• 
  Park Geun Hyung

  Jung In Beom

  Support Role
• 
  Baek Sang Hee

  Kim Min Ji

  Support Role
• 
  Lee Joong Ok

  Jang Gi Jin

  Support Role
• 
  Cha Soon Bae

  Jung Chi Su

  Support Role
• 
  Shim Jae Hyun

  Park Sang Hun

  Support Role
• 
  Hong Sang Pyo

  Cho Jin Cheol

  Support Role
• 
  Yang Hee Won

  Jae Ung

  Support Role
• 
  Jasper Cho

  Michael Cha

  Support Role

Guest Role

• 
  Lee Woo Shin

  [Judge] (Ep. 1)

  Guest Role
• 
  Lee Eun Ju

  [OB-GYN] (Ep. 1)

  Guest Role
• 
  Park Chul Min

  [Anchorman] (Ep. 1)

  Guest Role
• 
  Lee Dong Soo

  [Nightclub manager] (Ep. 1)

  Guest Role
• 
  Jin Shi Won

  [Doctor] (Ep. 1)

  Guest Role
• 
  Kim Hyeon Tae

  [Ji Hyeok's informant] (Ep. 1)

  Guest Role
• 
  Koo Min Hyuk

  [Motorcycle shop owner] (Ep. 1)

  Guest Role
• 
  Song Chang Gyu

  [Chinese restaurant owner] (Ep. 1)

  Guest Role
• 
  Kim Kyu Baek

  Kim Hyeong Bok (Ep. 1-2)

  Guest Role
• 
  Lee Ju Sil

  [Hyeong Bok's mother] (Ep. 1-2, 5)

  Guest Role
• 
  Jang Yoon Woo

  Park Seong Ock (Ep. 1, 5-7)

  Guest Role
• 
  Ji Sung Geun

  [Farmer] (Ep. 2)

  Guest Role
• 
  Kim Jong Ho

  [Presidential secretary's father-in-law] (Ep. 2)

  Guest Role
• 
  Kang Hye Kyung

  [Reporter] (Ep. 2)

  Guest Role
• 
  Lee Dong Gyu

  [Anchorman] (Ep. 2-3)

  Guest Role
• 
  Choi Kyung Min

  Park Seon Mi (Ep. 2-3)

  Guest Role
• 
  Kim Bong Su

  [In Beom's customer] (Ep. 2-3)

  Guest Role
• 
  Kim In Kwon

  Lee Seong Gon (Ep. 2-5)

  Guest Role
• 
  Lee Yoon Jae

  [Presidential secretary] (Ep. 2-3, 5, 11-12, 14)

  Guest Role
• 
  Jo Jae Yun

  Lee Dae Cheol (Ep. 2, 12, 14)

  Guest Role
• 
  Cheon Young Min

  Jang Yu Na (Ep. 3)

  Guest Role
• 
  Kim Hyun Chang

  [Detective] (Ep. 3)

  Guest Role
• 
  Jeon Jae Hyeong

  Choi Ho Jun (Ep. 3)

  Guest Role
• 
  Jang Eui Don

  [Bus driver] (Ep. 3)

  Guest Role
• 
  Bang Eun Jung

  Seong Ju Ri (Ep. 3-4)

  Guest Role
• 
  Choi Won

  [Bus company employee] (Ep. 3-4)

  Guest Role
• 
  Yoo Mi Sun

  Ye Rim (Ep. 3, 6)

  Guest Role
• 
  Lee Yeon Joo

  [Translator] (Ep. 4)

  Guest Role
• 
  Park Ye Ni

  Laura Caine (Ep. 4-5)

  Guest Role
• 
  Cheon Dong Bin

  [Gang member] (Ep. 4, 6)

  Guest Role
• 
  Yoon Hyun Gil

  Yun Ji Suk [Na Na's mother] (Ep. 4, 11, 13)

  Guest Role
• 
  No Ha Yeon

  Laura Caine [Young] (Ep. 5)

  Guest Role
• 
  Kim Te I

  Lee Seong Gon [Young] (Ep. 5)

  Guest Role
• 
  Park Wan Kyu

  [Seong Gon's father] (Ep. 5)

  Guest Role
• 
  Kim Jang Hwan

  [Reporter] (Ep. 5)

  Guest Role
• 
  Park Hyo Ju

  Hye Ok (Ep. 5)

  Guest Role
• 
  Kang Jong Sung

  [Hye Ok's father] (Ep. 5)

  Guest Role
• 
  Lee Joong Hyeon

  [Wedding criminal] (Ep. 5)

  Guest Role
• 
  Ahn Soo Ho

  [News program PD] (Ep. 5)

  Guest Role
• 
  Ok Il Jae

  [News program staff] (Ep. 5)

  Guest Role
• 
  Choi Nam Uk

  [TV station executive] (Ep. 5)

  Guest Role
• 
  Yong Jin

  Cha Do Hyeon (Ep. 6)

  Guest Role
• 
  Lee Suk

  Ki Dong Jae (Ep. 6-10, 13, 15)

  Guest Role
• 
  Park Ji Ho

  [TJ Group employee] (Ep. 7)

  Guest Role
• 
  Byun Jung Hyun

  Kim Seung Ho (Ep. 7, 13-14)

  Guest Role
• 
  Lee Ho Chul

  Koo Jae Chun (Ep. 7, 10, 13-16)

  Guest Role
• 
  Hong A Ron

  Yun Seung Hoe (Ep. 7, 10, 13, 16)

  Guest Role
• 
  Oh Jung Se

  O Jong Tae (Ep. 8)

  Guest Role
• 
  Joo Seung Min

  [Doctor] (Ep. 8)

  Guest Role
• 
  Park Jong Moo

  [Doctor] (Ep. 8)

  Guest Role
• 
  Jang Yong Hee

  [ER staff] (Ep. 8)

  Guest Role
• 
  Myung Jae Hwan

  [Vlogger] (Ep. 9-10)

  Guest Role
• 
  Jang Myoung Un

  [TJ Group Security personnel] (Ep. 9, 11)

  Guest Role
• 
  Kim Dae Kook

  [Police internal investigator] (Ep. 10)

  Guest Role
• 
  Park Joon Sang

  [News program host] (Ep. 10)

  Guest Role
• 
  Shin Yoon Jung

  [Dong Jae's girlfriend] (Ep. 10-11)

  Guest Role
• 
  Baek Soo Jang

  Sim Dong Il (Ep. 10-11, 14-15)

  Guest Role
• 
  Lee Jin Seung

  [TJ Group CCTV room staff] (Ep. 11)

  Guest Role
• 
  Park Sharon

  Cheon Na Na [Young] (Ep. 11)

  Guest Role
• 
  Yang Ha Yoon

  [TV reporter] (Ep. 11)

  Guest Role
• 
  Kim Ji Yoon

  [Reporter] (Ep. 11)

  Guest Role
• 
  Lee Ji Young

  [Reporter] (Ep. 11)

  Guest Role
• 
  Ko Chang Seok

  Cha Mun Ho (Ep. 11-12)

  Guest Role
• 
  Seo Myung Chan

  [Judge] (Ep. 12)

  Guest Role
• 
  Han Myung Hwan

  [Arrested man] (Ep. 13)

  Guest Role
• 
  Kim Byung Chul

  [Con man] (Ep. 13)

  Guest Role
• 
  Lee Min Sik

  [Doctor] (Ep. 13)

  Guest Role
• 
  Hwang Jae Yeol

  Ki Dong Su (Ep. 13-14, 16)

  Guest Role
• 
  Gu Yun Hoi

  [Doctor] (Ep. 14)

  Guest Role
• 
  Lee Moo Nyoung

  [Chinese restaurant owner] (Ep. 14)

  Guest Role
• 
  Lim Seung Beom

  [NFS examiner] (Ep. 14-15)

  Guest Role
• 
  Shin Dong Mi

  Yun Sang Mi (Ep. 15)

  Guest Role
• 
  Ha Young Jin

  [Prosecutor] (Ep. 15)

  Guest Role
• 
  Kim Dae Geun

  [Jae Chun's subordinate] (Ep. 15)

  Guest Role
• 
  Son Ki Chul

  [Reporter] (Ep. 15)

  Guest Role
• 
  Kang Ji Hoon

  [Anchorman] (Ep. 15)

  Guest Role
• 
  Kim Jin Goo

  Im Cha Seong (Ep. 16)

  Guest Role
• 
  Kwon Oh Jin

  Park Jun Seong (Ep. 16)

  Guest Role
• 
  Kaare Svejgaard Olsen

  [Executive] (Ep. 16)

  Guest Role
• 
  Lee Na Ra

  [Do Chang's date] (Ep. 16)

  Guest Role

Unknown

• 
  Kim Eun Soo

  [Young drug addict]

  Unknown
• 
  Kang Min Soo Unknown