Signal (2016)

Lee Je-hoon

Park Hae-young

17 episodes

Kim Hye-soo

Cha Soo-hyun

17 episodes

Cho Jin-woong

Lee Jae-han

17 episodes

Jang Hyun-sung

Kim Bum-joo

16 episodes

Jung Hae-kyun

Ahn Chi-soo

16 episodes

Kim Won-hae

Kim Gye-chul

16 episodes

Jung Han-bi

Oh Yoon-seo

16 episodes

Lee Yoo-jun

Jung Heon-gi

16 episodes

Kim Min-gue

Hwang Ui-kyung

16 episodes

Kang Chan-hee

Park Sun-woo

16 episodes

Im Hwa-young

Cha Soo-min

16 episodes

Son Hyun-joo

Jang Young-cheol

6 episodes

Jeon Su-ji

Kang Hye-seung

6 episodes

Shin Yi-Joon

Kang Hye-seung (young)

6 episodes

Seo Ji-hoon

Jang Tae-jin

6 episodes

Kim Woo-seok

Lee Dong-jin

6 episodes

Choi Woo-ri

Shin Yeo-jin

3 episodes

Sung Hyun-mi

Jung Kyung-soon

3 episodes

Kim Ki-cheon

Lee Chan-goo

3 episodes

Lee Ki-seop

Lee Jin-hyung

3 episodes

Lee Xia

Kim Won-kyeong

3 episodes

Jeong Seok-yong

Oh Gyung-tae

3 episodes

Park Si-eun

Oh Eun-ji

3 episodes

Yoo Ha-bok

Shin Dong-hoon

3 episodes

Lim Cheol-soo

Informant

3 episodes

Lee Dong-ha

Han Se-gyu

3 episodes

Lee Sang-yeob

Kim Jin-woo

3 episodes

Seo Eun-ah

Yoo Seung-yeon

3 episodes

Kim Yun-hee

Yoon Sang-mi

3 episodes

Sung Ki-yoon

Hae-yeong's father

3 episodes

Hong Seok-bin

Lee Mi-sun's husband

3 episodes

Oh Ki-hwan

Detective

3 episodes

Nam Sang-ran

Hwang Min-joo

3 episodes

Kim Jung-young

Kim Won-kyeong's aunt

3 episodes

Oh Yeon-ah

Yoon Soo-ah

2 episodes

Song You-hyun

Kang Se-young

2 episodes

Seo Jung-joon

Seo Hyung-joon

2 episodes

Jeong Jong-yeol

Police sergeant

2 episodes

Lee Do-yeop

Detective Park

2 episodes

Kim Myeong-joong

Prison guard

2 episodes

Lee Na-ra

Shin Da-hye

2 episodes

Kim Hak-seon

Park Myung-hoon

2 episodes

Hong Boo-hyang

Farmer's wife

2 episodes

Lee Jin-kwon

Bully

2 episodes

Park Jeong-min

Se-gyoo's chauffeur

2 episodes

Choi Hyun-jun

Detective

2 episodes

Kang Joo-hee

Shin Dong-hoon's wife

2 episodes

Lee Young-eun

Kim Yoon-jung

2 episodes

Kim Soo-jin

Kim Yoon-jung's mother

2 episodes

Seo Ju-hee

Cha Soo-hyun's mother

2 episodes

Yang Eun-yong

Sin Jeong-hye

2 episodes

Hyun Sung

Min Sung

2 episodes

Ahn Jae-hong

1 episodes

Ji Hye-in

Girl 3

1 episodes

Jang Hyuk-jin

Celebrity news journalist

1 episodes

Sun Yul-woo

Detective

1 episodes

Yoon Bok-sung

Attorney

1 episodes

Park Ji-yeon

Cafe waitress

1 episodes

Kim Ryeo-eun

Kim Ji-hee

1 episodes

Park Sung-hoon

Detective Jung

1 episodes

Lim Yong-soon

Workshop owner

1 episodes

Lee Chae-kyung

Jin-woo's mother

1 episodes

Song Kyung-hwa

Convenience store owner

1 episodes

Park Eun-young

Student's mother

1 episodes

Hwang Seung-eon

Han Do-yeon

1 episodes

Lee Jae-eun

Market stall owner

1 episodes

Kang Chan-yang

Woman going to work

1 episodes

Shin Mun-sung

Detective

1 episodes

Oh Jin-ha

Sehoon Hospital nurse

1 episodes

Kim Sang-il

Detective

1 episodes

Yoo Jae-ik

Oh Seung-joon

1 episodes

Yang Seung-geol

Street cleaner

1 episodes

Keum Dong-hyun

News programme guest

1 episodes