Signal

Elenco

• 

  이제훈

  Park Hae-young

• 

  김혜수

  Cha Soo-hyun

• 

  조진웅

  Lee Jae-han

• 

  장현성

  Kim Bum-joo

• 

  정해균

  Ahn Chi-soo

• 

  김원해

  Kim Gye-chul

• 

  Jung Han-bi

  Oh Yoon-seo

• 

  이유준

  Jung Heon-gi

• 

  김민규

  Hwang Ui-kyung

• 

  강찬희

  Park Sun-woo

• 

  임화영

  Cha Soo-min

• 

  손현주

  Jang Young-cheol

• 

  전수지

  Kang Hye-seung

• 

  Shin Yi-Joon

  Kang Hye-seung (young)

• 

  Seo Ji-hoon

  Jang Tae-jin

• 

  Kim Woo-seok

  Lee Dong-jin

• 

  Choi Woo-ri

  Shin Yeo-jin

• 

  성현미

  Jung Kyung-soon

• 

  김기천

  Lee Chan-goo

• 

  이기섭

  Lee Jin-hyung

• 

  이시아

  Kim Won-kyeong

• 

  정석용

  Oh Gyung-tae

• 

  Park Si-eun

  Oh Eun-ji

• 

  유하복

  Shin Dong-hoon

• 

  Im Chul Soo

  Informant

• 

  Lee Dong-ha

  Han Se-gyu

• 

  이상엽

  Kim Jin-woo

• 

  Seo Eun-ah

  Yoo Seung-yeon

• 

  Kim Yun-hee

  Yoon Sang-mi

• 

  Sung Ki-yoon

  Hae-yeong's father

• 

  홍석빈

  Lee Mi-sun's husband

• 

  Oh Ki-hwan

  Detective

• 

  Nam Sang-ran

  Hwang Min-joo

• 

  김정영

  Kim Won-kyeong's aunt

• 

  오연아

  Yoon Soo-ah

• 

  Song You-hyun

  Kang Se-young

• 

  Seo Jung-joon

  Seo Hyung-joon

• 

  Jeong Jong-yeol

  Police sergeant

• 

  이도엽

  Detective Park

• 

  Kim Myeong-joong

  Prison guard