On the Line

Yo-Han Byun

Han Seo-joon

Mu-Yeol Kim

Mr. Kwak

Park Myeong-hoon

VP. Jeon

Lee Joo-young

Hacker Ggang-chil

Kim Hee-won

Captain Lee Kyu-ho

Byung Mo Choi

Head of a department Park

Geun-hoo Lee

Police

Kim Hee-sang

Detective

Lee Jaehyeok

Gang

Yoon Jeong-ro

Phishing writer

Ji-Hoon Park

Busan recruitment policy

Lee Ji-hyun

Phishing writer

Yang Ji-soo

Call center supervisor

Choi Ji-yeon

Phishing victim

Kyu-Sung Lee

Youngest

Yoon Seul

Construction office manager

Shim So-Young

Chinese ironworks accountant

Kim Yeon-gyo

Job seeking victim