사랑니

김정은

In-young

이태성

Lee Suk / Lee Soo

김영재

Jung-woo

정유미

Young In-young

이주실

In-young's Mother

김꽃비

Cram School Student

장소연

ER Nurse

최반야

English Teacher

Jun Kim

Adult Lee Suk

Lee Seok

Young Jung-woo

Kwak Min-seok

Driver

강우석

Producer

정지우

Writer, Director, Editor

Lee Jae-jin

Original Music Composer

Choi Hyeon-gi

Director of Photography

Kang Dae-hui

Lighting Director

Kong Mi-jeong

Writer

Lee Hat-yim

Story

Seo Myung-hae

Production Design