심장소리

Kim Gun-woo

Cheol-yi

전도연

Cheol-yi's Mother

설경구

Cheol-yi's Father

박보경

Elevator Mom

이중옥

Police Officer

이승철

Sound

Lee Chang-dong

Director, Writer

모그

Music

Yi Choong-yun

Costume Design

이준동

Producer

Cho Gyu-young

Gaffer

박홍열

Director of Photography

오정미

Writer

김희진

Art Designer

Kim Da-won

Editor

Lee Beom-seok

Assistant Director

Lee Eun-song

Digital Intermediate

Lee Bok-seon

Line Producer