Tunnel

Art Director

• 
  Lee Hoo Kyoung

Costume Designer

• 
  Chae Kyung Hwa

Editor

• 
  Kim Chang Ju

Music Editor

• 
  Mok Young Jin

Original Creator

• 
  So Jae Won

Producer

• 
  Jang Won Seok

Screenwriter & Director

• 
  Kim Sung Hoon

Visual Effects

• 
  Jung Do An
• 
  Kim Jun Hoe
• 
  Cheon Rae Hun

Main Role

• 
  Ha Jung Woo

  Lee Jeong Soo

  Main Role
• 
  Bae Doo Na

  Se Hyeon

  Main Role
• 
  Oh Dal Soo

  Kim Dae Kyeong

  Main Role

Support Role

• 
  Shin Jung Keun

  Captain Kang

  Support Role
• 
  Nam Ji Hyun

  Mi Na

  Support Role
• 
  Yoo Seung Mok

  Jo Yang Cheol [Reporter]

  Support Role
• 
  Lee Chul Min

  Jang Eun Joon [Captain of drilling team]

  Support Role

Guest Role

• 
  Lee Dong Jin

  [Radio DJ]

  Guest Role

Bit part

• 
  Jung Suk Yong

  Team Leader Choi

  Bit part
• 
  Park Hyuk Kwon

  [Government official]

  Bit part
• 
  Jo Hyun Chul

  [Young guy in rescue team]

  Bit part
• 
  Kim Seon Gyeong

  [Restaurant owner]

  Bit part
• 
  Park Jin U

  [Government aide]

  Bit part
• 
  Lee Han Seo

  Lee Soo Jin [Jeong Soo's daughter]

  Bit part
• 
  Ye Soo Jung

  [Old mother]

  Bit part
• 
  Ha Duk Sung

  [Hado's Mayor]

  Bit part
• 
  Seo Hyeon Woo

  [SNC fellow reporter]

  Bit part
• 
  Lee Chang Jik

  [Veteran workman]

  Bit part
• 
  Kang Shin Chul

  [Agent at situation]

  Bit part
• 
  Jin Yong Wook

  [Construction worker A]

  Bit part
• 
  Ahn Se Ho

  [Drilling team member]

  Bit part
• 
  Jin Seon Kyu

  [Equipment manager]

  Bit part
• 
  Kim Seung Hoon

  Gong Chung Ho [Public hearing moderator]

  Bit part
• 
  Jung Seung Kil

  [Hearing participant A]

  Bit part
• 
  Kim Soo Jin

  [Public hearing attendee B]

  Bit part
• 
  Park Eung Su Bit part
• 
  Na Joo Ho

  [SNC cameraman]

  Bit part
• 
  Go Jung Il

  [Debate panel]

  Bit part
• 
  Im Han Bin

  [Bakery kid 1]

  Bit part
• 
  Kim Do Ha

  [Rescue crew 6]

  Bit part
• 
  Kim U Jin

  [SNC anchor]

  Bit part
• 
  Ahn Hyeon Bin

  [Rookie]

  Bit part
• 
  Kim Ji Soo

  [Rescue Team]

  Bit part
• 
  Park Yong

  [Taxi driver B]

  Bit part
• 
  Kim Sung Kyu

  [Civic group member 3]

  Bit part
• 
  Yang Ji Soo

  [Lee Jung Soo's stand-in]

  Bit part
• 
  Lee Dong Yong

  [Construction worker B]

  Bit part
• 
  Kim Soo Jin

  [At public hearing]

  Bit part
• 
  Joo Seok Tae

  [Employee of Korea Expressway Corporation]

  Bit part
• 
  Lee Sang Hee

  [YTN news reporter]

  Bit part
• 
  Son Mi Hee

  [Bakery kid's mom]

  Bit part
• 
  Hwang Byung Kook

  [Gas station owner]

  Bit part
• 
  Kim Won Beom

  [Panel host]

  Bit part
• 
  Kang Sang Chul

  [Rescue worker 4]

  Bit part
• 
  Kim Jin Goo

  [High ranking government official]

  Bit part
• 
  Kim Hae Sook

  [Minister]

  Bit part
• 
  Han Sang Gyun

  [News A anchor]

  Bit part
• 
  Han Soo Hyun

  [Drone technician]

  Bit part
• 
  Jang Yoo

  [Voice of 119 executive]

  Bit part
• 
  Yoon Don Sun

  Section Chief Yoon [Integration control ctr.]

  Bit part
• 
  Kim Jong Soo

  [Drilling company exec.]

  Bit part
• 
  Choi Gwi Hwa

  [Person interested in tunnel 2]

  Bit part
• 
  Bae Yoo Ram

  [119 rescue worker]

  Bit part
• 
  Kwon Oh Soo

  [Construction manager]

  Bit part
• 
  Yeo Min Goo

  [Helicopter agent|119 operator's voice]

  Bit part
• 
  Hwang Sun Young

  [Bakery owner]

  Bit part