해피 버스데이

陈智熙

Park Min-seo (young)

裴斗娜

Park Min-seo (adult)

宋清晨

Uncle Hwan

尹世雅

Min-seo's mother

柳承秀

newscaster 1

李英恩

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