On the Line

Seo-joon, loses everything to voice phishing and infiltrates a organization in China to meet Kwak Pro, the designer behind this phishing system.

Action Crime Drama

Byun Yo-han

(Seo-joon)

Kim Moo-yul

(Kwak Pro)

Kim Hee-won

(Lee Gyu-ho)

Park Myung-hoon

(General manager)

Lee Joo-young

(Kkang-chil)

Jo Jae-yun

(Deok-pal)

Lee Kyu-sung

(the Youngest)

Won Jin-ah

(Mi-yeon)

Lee Woon-san

(Manager)

Ok Ja-yeon

(Detective 1)

Yun Jong-seok

(Detective 2)

Jo Hyun-sik

(Voice 1)

Yoon Byung-hee

(Voice 2)

Kim Ga-young

(Voice 3)

Park Chan-guk

(Uncle)

Hong Kyung

(Job seeker)

Lee Dong-yong

(Worker)

Choi Byung-mo

(Park)

Son Jong-hak

(Manager)

Min Sung-wook

(Jang Gyeong-pil)

Son Byung-ho

(Hwang)

Gi Ju-bong

(President)

Cha Soon-bae

(Chief police)