Yu Jun-sang

Detective

Shin Dong-mi

Choi Yeon-shin

김강현

Shin Woo-yeon

Seo Young-hwa

Older Sister

Tae-woo Kim

Taxi Passenger

Kim Chul-moo

Director

김동현

Car Owner / Police Officer

Lee Ju-won

Director / Janitor

Lee Bong-ryun

Landlady

이채은

Yeon-shin's Friend on Telephone 1