A Bona Fide Killer

Director

• 
  Yoon Jong Ho

Producer

• 
  Kwon Sung Chang

Screenwriter

• 
  Kim Eun Hee

Main Role

• 
  Kong Hyo Jin

  Yoo Bo Na / “Kingfisher”

  Main Role
• 
  Jung Jun Won

  Kwon Tae Seong / Reporter Kwon

  Main Role
• 
  Lee Sang Yi

  Lee Dong Jin / Detective Lee

  Main Role

Support Role

• 
  Sung Dong Il

  Kim Bong Pal [Specialist in fake accidental deaths]

  Support Role
• 
  Seo Jung Yeon

  Bae Yun Ok [Flower shop owner]

  Support Role
• 
  Heo Jae Ho

  Ko Yeong Gap [Medical malpractice specialist]

  Support Role
• 
  Kim Nam Hee

  Bong Tae Min / "Dirty, Smelly Shut-in" [Weapon specialist]

  Support Role
• 
  Moo Jin Sung

  Ki Yeong Do / "Mad Finger" [Genius hacker]

  Support Role
• 
  Ha Yul Ri

  O Hyeon Nam / O Seung A [Poisoning specialist]

  Support Role
• 
  Kim Ga Hee

  Yang Ye Sol [Deputy / Admin. staff]

  Support Role
• 
  Choi Woo Sung

  Beom Seong Hun [Violent crimes detective / Se A's friend]

  Support Role
• 
  Han Chae Rin

  Koo Hae Na [Not Today reporter/ Tae Seong's junior]

  Support Role
• 
  Choi Duk Moon

  Na Guk Jin [Not Today director / Tae Seong's boss]

  Support Role
• 
  Lee Eun Saem

  Kwon Se A [Bo Na’s sister-in-law]

  Support Role
• 
  Cha Mi Kyung

  Ok Seon Ja [Bo Na's mother-in-law]

  Support Role
• 
  Lee Seon Hee

  Kwon Sun Il [Tae Seong's eldest sister]

  Support Role
• 
  Kim Yun Jeong

  Kwon Du Ri [Bo Na's sister-in-law]

  Support Role
• 
  Oh Dae Suk

  Park Gyeong Han

  Support Role
• 
  Lee Chan Yang

  [Detective]

  Support Role
• 
  Kim Kwan Jang

  [Cafe owner] (Ep. 13)

  Support Role

Guest Role

• 
  Park No Kyeong

  Son Seok Gu (Ep. 1)

  Guest Role
• 
  Gi So Yoo

  Yoo Bo Na [Child] (Ep. 1, 12)

  Guest Role
• 
  Mi So Yun

  [Chae Won's mother] (Ep. 1)

  Guest Role
• 
  Lee Hyun

  [Neighborhood woman] (Ep. 1)

  Guest Role
• 
  Do Yeong Seo

  O Seung A (Ep. 1-2)

  Guest Role
• 
  Kim Won Hae

  O Man Seok (Ep. 1-2)

  Guest Role
• 
  Lee Hyun Kul

  Bae Du Hyeok (Ep. 1-2)

  Guest Role
• 
  Son Seung Taek

  Hwang Min Ho (Ep. 1-2)

  Guest Role
• 
  Byeon Chang Yeol

  [Taxi driver] (Ep. 1-2)

  Guest Role
• 
  Lee Dong Gyu

  [Anchorman] (Ep. 1-2)

  Guest Role
• 
  Kim Jae Man

  Team Leader Han (Ep. 2)

  Guest Role
• 
  Kim Woo Dam

  [Detective] (Ep. 2)

  Guest Role
• 
  Lee Ji Su

  [Employee] (Ep. 2)

  Guest Role
• 
  Byeon Gyeong Rok

  [Employee] (Ep. 2)

  Guest Role
• 
  Kim Bong Hui

  [Vegetable seller] (Ep. 2)

  Guest Role
• 
  Park Joon Sang

  [News program panelist] (Ep. 2, 5)

  Guest Role
• 
  Seo Eun Joo

  [Hiker] (Ep. 3)

  Guest Role
• 
  Ko Do Eun

  [Cafe staff] (Ep. 3)

  Guest Role
• 
  Park Hye Jin

  Park Hui Mae (Ep. 3-4)

  Guest Role
• 
  Jung Sun Chul

  An Cheong Seon (Ep. 3-4)

  Guest Role
• 
  Park Jin

  [Gangster] (Ep. 3-4)

  Guest Role
• 
  Hong Seong O

  Cho Dong Man (Ep. 4)

  Guest Role
• 
  Lee Hyung Joo

  [Detective] (Ep. 4)

  Guest Role
• 
  Yoo Ji Hyuk

  [Detective] (Ep. 4)

  Guest Role
• 
  Choi Sol Hui

  [Car driver] (Ep. 4)

  Guest Role
• 
  Kang Gu Ha

  [Police officer] (Ep. 4)

  Guest Role
• 
  Heo Hyung Kyu

  Park Gyu Cheol (Ep. 4, 12)

  Guest Role
• 
  Choi Gyo Shik

  [Foreman] (Ep. 5)

  Guest Role
• 
  Ok Joo Ri

  [Fish seller] (Ep. 5)

  Guest Role
• 
  Kim Jin Ok

  [Restaurant owner] (Ep. 5)

  Guest Role
• 
  Moon Seung You

  Moon Da Rae [Regional expert in gambling] (Ep. 5-6)

  Guest Role
• 
  Jeon Chi Hwa

  Kang Yeong Ho (Ep. 5-6)

  Guest Role
• 
  Lee Dong Hee

  Park Cheon Bok (Ep. 5-6)

  Guest Role
• 
  Kim Jong Gu

  Cheon Seong Gil (Ep. 5-6)

  Guest Role
• 
  Ju Yeon U

  Bae Bi Ji (Ep. 6)

  Guest Role
• 
  Jo Yoon Soo

  Moon Meo Ru [Knife fighting specialist] (Ep. 6)

  Guest Role
• 
  Shin Min Soo

  [Judge] (Ep. 6)

  Guest Role
• 
  Kim Young Joo

  [Victim's father] (Ep. 6)

  Guest Role
• 
  Ahn Chan Woong

  [VIP security] (Ep. 6)

  Guest Role
• 
  Na Ho Won

  [Hotel employee] (Ep. 6)

  Guest Role
• 
  Park So Yoon

  [Hotel housekeeper] (Ep. 6)

  Guest Role
• 
  Jo Young Mi

  [Hotel housekeeper] (Ep. 6)

  Guest Role
• 
  Kim Bang Sun

  [Hotel housekeeper] (Ep. 6)

  Guest Role
• 
  Lee Chang Jik

  Mr. Kim (Ep. 7)

  Guest Role
• 
  Choi Hwan Yi

  [Parricide] (Ep. 7)

  Guest Role
• 
  Son Ki Chul

  [Reporter] (Ep. 7)

  Guest Role
• 
  In Gyu Sik

  [Pickpocket] (Ep. 7,11)

  Guest Role
• 
  Song Hoon

  [Psychiatrist] (Ep. 7)

  Guest Role
• 
  Lee Kyung Sung

  [Lodge operator] (Ep. 7-8)

  Guest Role
• 
  Go Dong Eob

  [Lodge operator] (Ep. 7-8)

  Guest Role
• 
  Won Seong Yeon

  [Hit and run driver] (Ep. 7)

  Guest Role
• 
  Choi Hyun Jin

  Lee Dong Jin (Teen) (Ep. 7, 9)

  Guest Role
• 
  Kim Seo Jun

  Kwon Tae Seong [Teen] (Ep. 7, 9)

  Guest Role
• 
  Shin Hyun Soo

  No Seul Gi / Sergei Volansky (Ep. 8)

  Guest Role
• 
  Kang Seung Wan

  Hwang Cheol Beom (Ep. 8, 12)

  Guest Role
• 
  Park Jae Yeong

  [Wheelchair victim] (Ep. 8)

  Guest Role
• 
  Lee Gyu Sub

  Yeon Chang Bok (Ep. 9)

  Guest Role
• 
  Kim Yun Hui

  [OB-GYN] (Ep. 9)

  Guest Role
• 
  Lee Jae Eun

  [Sun Ja's customer] (Ep. 9)

  Guest Role
• 
  Kim Min Sang

  Jang Eun Hak (Ep. 9-10)

  Guest Role
• 
  Song Chang Gyu

  [Furniture store owner] (Ep. 9-10)

  Guest Role
• 
  Jung Ma Rin

  [Chang Bok's mother] (Ep. 9-10)

  Guest Role
• 
  Lee Moo Nyoung

  [Resident] (Ep. 10)

  Guest Role
• 
  Cha Young Mi

  [Realtor] (Ep. 10)

  Guest Role
• 
  Bae Yoo Ri

  [Orphanage staff] (Ep. 10)

  Guest Role
• 
  Jo Dan

  Yeon Cheol [Chang Bok's son] (Ep. 10-11)

  Guest Role
• 
  Lee Il Joon

  [Scammer] (Ep. 11)

  Guest Role
• 
  Hwang Gyu Chan

  [Scammer] (Ep. 11)

  Guest Role
• 
  Park Jin Young

  [Dispatcher] (Ep. 11)

  Guest Role
• 
  Lee Seung Pil

  [Security guard] (Ep. 11)

  Guest Role
• 
  Park Joong Geun

  Koo Jong Ryeol (Ep. 11-12)

  Guest Role
• 
  Ko Ju Ni

  [Jong Ryeol's daughter] (Ep. 11-12)

  Guest Role
• 
  Kwon Si Wan

  [Orphan] (Ep. 11-12)

  Guest Role
• 
  Moon Yong Il

  Detective Jo (Ep. 11-12)

  Guest Role
• 
  Kang Seung Woo

  [Wheelchair man] (Ep. 12)

  Guest Role
• 
  Park Jeong Min

  [Crosswalk pedestrian] (Ep. 12)

  Guest Role
• 
  Jeong Seo Yeon

  [Caregiver] (Ep. 12)

  Guest Role
• 
  Moon Jeong Hee

  "Mama" [Russian crime boss] (Ep. 12-13)

  Guest Role
• 
  Kwon Eun Seong

  Bong Tae Min (Child) (Ep. 12)

  Guest Role
• 
  Kim Song Il

  [Orphanage man] (Ep. 12)

  Guest Role
• 
  Nam Jung Woo

  O Seong Nam [Doctor (Ep. 13)

  Guest Role
• 
  Jeon Se Yong

  [Mourner] (Ep. 13)

  Guest Role
• 
  Koo Do Kyun

  [Teacher] (Ep. 13)

  Guest Role
• 
  Lee Ju Mi

  [Funeral attendee] (Ep. 13)

  Guest Role
• 
  Im Yu Ran

  [Funeral attendee] (Ep. 13)

  Guest Role
• 
  Lee Jin Seung

  [Traffic CCTV staff] (Ep. 13)

  Guest Role
• 
  Lee Elijah

  Choi Lei La (Ep. 13-14)

  Guest Role
• 
  Jung Han Bin

  [Detective] (Ep. 13 -14)

  Guest Role
• 
  Bae Je Ki

  [Reporter]

  Guest Role
• 
  Lee Joo Han

  [Prison guard]

  Guest Role
• 
  Song Yoo Hyun

  [Ji An's mother]

  Guest Role
• 
  Jo Min Wook

  [Musan detective]

  Guest Role
• 
  Yoo Jung Rae

  [Seo Jun's mother]

  Guest Role
• 
  Choi Yoo Ha

  [Student's mother]

  Guest Role
• 
  Kim Hyun Jung

  [Ye Geon's mother]

  Guest Role
• 
  Kim Hee Su

  [Not Today employee]

  Guest Role