Jin Ji-hee

Park Min-seo (young)

Acting

Bae Doona

Park Min-seo (adult)

Acting

Song Sae-byuk

Uncle Hwan

Acting

Yoon Se-a

Min-seo's mother

Acting

Ryu Seung-su

newscaster 1

Acting

Lee Young-eun

newscaster 2

Acting

John D. Kim

former NASA researcher

Acting

Kevin Lee

government employee

Acting

Oh Jae-min

tv host 1

Acting

Kim Ok-jin

tv host 2

Acting

Jung Chul

model 1

Acting

Jo Seung-min

model 2

Acting

Nam Yoon-young

model 3

Acting

Go Joon-hee

weather girl

Acting

Lee Kyung-ho

Acting

Lee Sang-joon

Acting