Phone
Technique
Casting
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