Phone

Ha Ji-won

Ji-won

Kim Yu-mi

Ho-jeong

Choi Woo-jae

Chang-hoon

Choi Ji-yeon

Jin-hee

Eun Seo-woo

Yeong-ju

Choi Jung-yoon

Ja-yeong

Jeong Seong-hwan

Jin-woo

Lee Seo-yeon

Mi-ran

Park Min-gwan

Detective Kim

Kim Gyeong-ryong

Security Guard

Oh Chang-kyung

Taxi Company Employee

Jung Woon-sun

High School Student

Cha Mi-jeong

High School Student

Lee Ji-yeon

Ho-won

Hyun Sook-hee

Jin-hee's Mother