Cast of Phone

17 credited, in billing order.

Ha Ji-wonas Ji-won

Kim Yu-mias Ho-jeong

Choi Woo-jae

Choi Woo-jaeas Chang-hoon

Choi Ji-yeon

Choi Ji-yeonas Jin-hee

Eun Seo-woo

Eun Seo-wooas Yeong-ju

Choi Jung-yoonas Ja-yeong

Jeong Seong-hwan

Jeong Seong-hwanas Jin-woo

Lee Seo-yeonas Mi-ran

Park Min-gwan

Park Min-gwanas Detective Kim

Kim Gyeong-ryongas Security Guard

Oh Chang-kyungas Taxi Company Employee

Jung Woon-sunas High School Student

Cha Mi-jeong

Cha Mi-jeongas High School Student

Lee Ji-yeonas Ho-won

Hyun Sook-heeas Jin-hee's Mother

Lee Jin-heeas Student

Cha Mi-jeong

Cha Mi-jeongas Student