해피 버스데이

진지희

Park Min-seo (young)

Bae Doona

Park Min-seo (adult)

송새벽

Uncle Hwan

윤세아

Min-seo's mother

류승수

newscaster 1

이영은

newscaster 2

John D. Kim

former NASA researcher

Kevin Lee

government employee

Oh Jae-min

tv host 1

김옥진

tv host 2

Jung Chul

model 1

Jo Seung-min

model 2

Nam Yoon-young

model 3

고준희

weather girl

Lee Kyung-ho

Lee Sang-joon

남나영

Editor

임필성

Director, Writer

모그

Music

Choi Hyun-mook

Producer

Kim Myung-eun

Producer

Oh Yeong-hun

Producer

Jang Jong-ah

Writer

Park Seong-hwan

Original Story

Ha Seong-min

Cinematography