만약에 우리

구교환

Eun-ho

문가영

Jeong-won

신정근

Eun-ho's Father

이상엽

Min-jae

김서원

Park Seung-chan

임재혁

Gyeong-seok

김소율

Yun-jin

강말금

Eun-ho's Mother

지수연

College Senior

이재인

Bus Driver

여은채

Cabin Crew

김금순

Min-jae's Mother

양의진

Woman

지수연

Next door

송치훈

Game

장지용

Doctor

송창규

Interviewer

서수찬

Student

맹주원

Owner of old restaurant

허중회

Game company employee