Voice Season 4: Judgment Hour

Composer

• 
  Lim Ha Yong

Director

• 
  Shin Yong Hwi
• 
  Yoon Ra Young

Screenwriter

• 
  Ma Jin Won

Main Role

• 
  Lee Ha Na

  Kang Gwon Ju

  Main Role
• 
  Song Seung Heon

  Derek Jo / Jo Seung Ho

  Main Role

Support Role

• 
  Son Eun Seo

  Park Eun Su [Golden Time Call Team leader]

  Support Role
• 
  Kang Seung Yoon

  Han U Ju [Golden Time Call Team]

  Support Role
• 
  Baek Sung Hyun

  Sim Dae Sik [Golden Time Dispatch Team]

  Support Role
• 
  Kim Joong Ki

  Park Jung Gi [Golden Time Dispatch Team detective]

  Support Role
• 
  Song Boo Geon

  Koo Gwang Su [Golden Time Dispatch Team detective]

  Support Role
• 
  Lee Eol

  Yang Bok Man [Chief detective / Vimo Island PPA]

  Support Role
• 
  Kil Hae Yeon

  Kam Jong Suk [Commissioner / Vimo Island Provisional Police Agency]

  Support Role
• 
  Han Jong Hoon

  Det. Chad [LAPD Team]

  Support Role
• 
  Maurice Turner Jr.

  Nick Jackson [LAPD Team]

  Support Role
• 
  Kwon Jae Hwan

  Cheon Sang Pil [Vimo Island Emergency Call Team]

  Support Role
• 
  Yang Joo Ho

  Ko Won Gi [Vimo Island Emergency Call Team]

  Support Role
• 
  Ok Soo Boon

  Ok Su Bun [Vimo Island Emergency Call Team]

  Support Role
• 
  Hong Sang Pyo

  Bu Gwi Nam [Detective / Vimo Island PPA]

  Support Role
• 
  Jang Hang Sun

  Dong Bang Heon Yup [Sonang village elder]

  Support Role
• 
  Kim Hak Seon

  Yeom Byeong Cheol [Ritual drummer, Sonang Cultural Village]

  Support Role
• 
  Han Gap Soo

  Yoo Jae Chun

  Support Role
• 
  Ji Gun Woo

  Sim Yeong Sub | [Circus man gang]

  Support Role
• 
  Jeon Soo Ah

  Yang Mi Yun

  Support Role

Guest Role

• 
  Kim Woo Seok

  Jin Seo Yul [Flashback] (Ep. 1)

  Guest Role
• 
  Joey Albright

  Matt [LAPD] (Ep. 1)

  Guest Role
• 
  Andreas Varsakopoulos

  Ricky Gonzalez (Ep. 1)

  Guest Role
• 
  Park Byung Eun

  Kaneki Masayuki / Woo Jong U [Flashback] (Ep. 1)

  Guest Role
• 
  Baek Seung Chul

  Lee Jong Bak [Hyeon Min's father] (Ep. 1)

  Guest Role
• 
  Kim Eun Seok

  [Charity worker] (Ep. 1)

  Guest Role
• 
  Cha Yoo Hyun

  Lee Hyeon Min (Ep. 1)

  Guest Role
• 
  Oh Min Jung

  Kong Suk Hui (Ep. 1)

  Guest Role
• 
  Kim Bup Rae

  Park Hyeon [Captain of Team #1] (Ep. 1-2)

  Guest Role
• 
  Kim Chul Yoon

  [Detective, Team #1] (Ep. 1-2)

  Guest Role
• 
  Lee Yi Dam

  Lisa Jo / Jo Seung A [Derek's sister] (Ep. 1-2, 11)

  Guest Role
• 
  John D. Michaels

  Robert Brown [LAPD chief] (Ep. 1-2, 12, 14)

  Guest Role
• 
  Kim Yoo Nam

  Eom Suk Gu / "Circus Man" (Ep. 1-4)

  Guest Role
• 
  Uhm Ji Sung

  Joo Bum Tae (Ep. 1, 9-10, 12)

  Guest Role
• 
  Moon Chang Gil

  [Beom Tae's grandpa] (Ep. 1, 12)

  Guest Role
• 
  Won Mi Won

  [Beom Tae's grandma] (Ep. 1, 12)

  Guest Role
• 
  Kim Mi Ra

  [NFS examiner] (Ep. 2)

  Guest Role
• 
  Uhm Yoon Jung

  [Min Air employee] (Ep. 2)

  Guest Role
• 
  Kim Ye Eun

  [Girl in Ha Eun's story] (Ep. 2)

  Guest Role
• 
  Lee Joo Shil

  [Eun Su's grandma] (Ep. 2)

  Guest Role
• 
  Jung Soon Mi

  [Hyeon Min's neighbor] (Ep. 2)

  Guest Role
• 
  Han Chul Woo

  Ko Deok Hwan [Mosim Forest] (Ep. 2-3)

  Guest Role
• 
  Shin Yeon Woo

  Lee Ha Eun [Mosim Forest camper] (Ep. 2-3)

  Guest Role
• 
  Woo Mi Hwa

  Jang Ye Suk [Mosim Forest camper] (Ep. 2-3)

  Guest Role
• 
  Choi Jae Sub

  Park Jong Beom [Mosim Forest camper] (Ep. 2-3)

  Guest Role
• 
  Kim Joong Hee

  Gu Up Jin [Dog owner, Mosim Forest] (Ep. 2-3)

  Guest Role
• 
  Chae Won Bin

  Kong Su Ji [Cheon Sik's daughter] (Ep. 3-5, 7-8)

  Guest Role
• 
  Kim Byung Soon

  Ko Su Dong (Ep. 4)

  Guest Role
• 
  Kim Dae Heung

  [Coast guard] (Ep. 4)

  Guest Role
• 
  Jo Yoo Jung

  [Su Ji's guardian] (Ep. 4)

  Guest Role
• 
  Choi Ji Yeon

  Kam Sun (Ep. 4-5)

  Guest Role
• 
  Choi Ha Yoon

  Ko Ga Eun (Ep. 4-5)

  Guest Role
• 
  Cha Sae Young

  Chae So Yun (Ep. 4-5)

  Guest Role
• 
  Kwon Hyuk

  Song Su Gil [Cocaine addict] (Ep. 4-5)

  Guest Role
• 
  Sung Byung Sook

  Ko Sun Rye [Ga Eun's grandma] (Ep. 4-5)

  Guest Role
• 
  Kim Kang Il

  [Drug gang boss] (Ep. 5)

  Guest Role
• 
  Park Jae Won

  [Drug gang member] (Ep. 5)

  Guest Role
• 
  Koo Ji Hye

  [Cellphone photo girl] (Ep. 5)

  Guest Role
• 
  Jung Ye Bin

  [Cellphone photo taker] (Ep. 5)

  Guest Role
• 
  Jung Sun Chul

  Kim Eok Man (Ep. 6)

  Guest Role
• 
  Ahn Do Kyu

  Hwang Mi Na [Min Air flight] (Ep. 6)

  Guest Role
• 
  Im Chul Soo

  Jang Su Cheol [Min Air flight] (Ep. 6)

  Guest Role
• 
  Lee Dong Young

  [Police officer on Vimo Island PPA] (Ep. 6)

  Guest Role
• 
  Jo Hyun Woo

  Choi Gong Pil (Ep. 6-7)

  Guest Role
• 
  Jo Jae Ryong

  Kang Man Ho (Ep. 6-7)

  Guest Role
• 
  Kwon Dong Ho

  Kim Gwang Geun (Ep. 6-7)

  Guest Role
• 
  Kang Yoon

  Yang Bok Man [Young, Vimo Island] (Ep. 6-7)

  Guest Role
• 
  Jeon Moo Song

  Bul Sang Gu / Kang Seok Chun [Man Ho's father] (Ep. 6-7)

  Guest Role
• 
  Son Kyung Won

  Kong Cheon Sik [Prosecutor] (Ep. 6, 11)

  Guest Role
• 
  Park Gwang Jae

  Park Dong Cheol (Ep. 7)

  Guest Role
• 
  Kim Jung Chul

  Kang Man Ho [Teen] (Ep. 7)

  Guest Role
• 
  Ha Young Jin

  Kang Seok Chun [Young] (Ep. 7)

  Guest Role
• 
  Park So Eul

  Lisa Jo / Jo Seung A [Young] (Ep. 7)

  Guest Role
• 
  Lee Hyun Seo

  [Man Ho's wife] (Ep. 7)

  Guest Role
• 
  Park Hee Yeon

  [Seok Chun's wife] (Ep. 7)

  Guest Role
• 
  Kim Hwi Yeol

  [Bok Man's uncle, Vimo Island] (Ep. 7)

  Guest Role
• 
  Min Kyung Ok

  [Duwon Salt Pond worker] (Ep. 7)

  Guest Role
• 
  Lee Eun Mi

  [Neighborhood woman] (Ep. 7)

  Guest Role
• 
  Yook So Young

  [Derek's mother] (Ep. 7, 14)

  Guest Role
• 
  Jin Yong Wook

  [Resident, Sonang Village] (Ep. 8)

  Guest Role
• 
  Jang Yeon Ik

  [School administrator] (Ep. 8)

  Guest Role
• 
  Kim Kyu Na

  [Village girl] (Ep. 8)

  Guest Role
• 
  Kim Ho Yeon

  [Police officer] (Ep. 8)

  Guest Role
• 
  Yoo Jong Yeon

  [Vimo Beach motel employee] (Ep. 8)

  Guest Role
• 
  Lee Jung Yeol

  Kwak Man Taek (Ep. 8, 10-11)

  Guest Role
• 
  Jung Dae Ro

  Beom Tae Su / "Pigdiss" (Ep. 8-9)

  Guest Role
• 
  Kim Young Hoon

  Jang Hyo Jun [Saet Byeol's English teacher] (Ep. 8-9)

  Guest Role
• 
  Kim Si Eun

  Kwon Saet Byeol (Ep. 8-9, 12-13)

  Guest Role
• 
  Yeo Ji Min

  Seo Ha [Chief Yang's granddaughter] (Ep. 8, 10, 14)

  Guest Role
• 
  Shin Soo Hyun

  Min Hye Rin (Ep. 9)

  Guest Role
• 
  Yoo Sun Ho

  Kwon Chul Hwan (Ep. 9, 12)

  Guest Role
• 
  Oh Han Kyul

  Dong Bang Min [Young] (Ep. 10-11)

  Guest Role
• 
  Son In Yong

  [Resident, Sonang village] (Ep. 11)

  Guest Role
• 
  Han Ki Jang

  [Paramedic] (Ep. 11)

  Guest Role
• 
  An Min Yeong

  [Hami New Day Shelter staff] (Ep. 12)

  Guest Role
• 
  Kim Yoo Chan

  [Hami New Day's shelter resident] (Ep. 12)

  Guest Role
• 
  Hong Eui Joon

  Han So Yeong (Ep. 13)

  Guest Role
• 
  Yang So Min

  Ok Chae Yeong [Lawyer] (Ep. 13)

  Guest Role
• 
  Yun Seo

  [Flight attendant]

  Guest Role
• 
  Hwang Sung Ung

  [Police officer, Vimo Island PPA] (Ep. 13)

  Guest Role
• 
  Park Kyung Geun

  [Psychiatric hospital director] (Ep. 13)

  Guest Role
• 
  Kwon Yul

  Bang Je Su (Ep. 14)

  Guest Role
• 
  Yoo Soon Woong

  [Resident, Sonang Village] (Ep. 14)

  Guest Role
• 
  Lee Kyu Hyung

  Dong Bang Min [Min Air flight]

  Guest Role
• 
  Jung Hyun Joon

  Derek Jo / Jo Seung Ho [Young]

  Guest Role
• 
  Choi Myung Bin

  Kang Gwon Ju [Young, Vimo Island]

  Guest Role
• 
  Kim Eun Young

  Han Sol

  Guest Role
• 
  Lee Jin Wook

  Do Kang Woo / Kosuke

  Guest Role
• 
  Lee Woon San

  [Detective, Vimo Island PPA]

  Guest Role
• 
  Yun Jin Seong

  Ko Yeon I [Stone Family Culture village]

  Guest Role
• 
  Heo Hyeon Do

  Dae Won [Vimo Island Emergency Call team]

  Guest Role
• 
  Jung Jae Woo

  [Police officer]

  Guest Role
• 
  Park Won Seok

  [Drunk man]

  Guest Role
• 
  Kim Sun Woo Guest Role
• 
  Jin Woo Jin Guest Role

Unknown

• 
  Baek Bum Suk Unknown
• 
  Kang Woo Jung Unknown