Gianna Jun

as Yeo Kyung-jin

Jang Hyuk

as Ko Myung-woo

Kim Jung-tae

as Kim Yeong-ho

Kim Soo-ro

as Hostage Taker 1 / Proposer

Lee Ki-woo

as Prince

Kim Chang-wan

as Chief of Police Substation

Jung Ho-bin

as Shin Chang-soo

Im Ye-jin

as Policewoman of Police Substation

Jeong Dae-hoon

as Runaway Boy #1

Jeon Jae-hyeong

as Runaway Boy #2

Cha Tae-hyun

as Man on Train Platform

Kim Jin-su

as High Schooler

Baek Kyung-chan

as Sports Car Driver

Kim Do-sik

as Doctor

Song Boo-gun

as Hostage Taker 2