• 
  Jun-ho Heo

  Lee Ki-seok
• 
  Woo-sung Jung

  Jang Jin-tae
• 
  Dong-won Kang

  Im Joong-kyung
• 
  Hyo-ju Han

  Lee Yoon-hee
• 
  Ye-ri Kim

  Koo Mi-kyung
• 
  Min-ho Choi

  Kim Chul-jin
• 
  Moo Yul Kim

  Han Sang-woo
• 
  Minho

  Kim Chul-jin

• 
  Hong-In

  Source
• 
  Chul-Hyung Im

  Investigation spokesperson
• 
  Johnny Yong Bosch

  Im Joong-kyung (voice)
• 
  Greg Chun

  Han Sang-woo (voice)
• 
  Todd Haberkorn

  Lee Ki-seok (voice)
• 
  Jin-ho Choi

  Chief Presidential Secretary Park Jeong-gi
• 
  Edward Hong

  Chief Presidential Secretary Park Jeong-gi (voice)

• 
  Reggie De Leon

  Police Commissioner Kim Myung-Bae (voice)
• 
  Seong-Bong Ahn

  Special force member 5
• 
  Mu-Yeol Kim

  Han Sang-woo (as Moo Yul Kim)
• 
  Erika Ishii

  Koo Mi-kyung
• 
  Wonhyeong Jang

  Park Tae-kyung
• 
  Jin-seo Jun

  Yoon-hee's brother