Happy Birthday

A young girl throws an 8 pool ball down a portal to outer space, where it becomes much larger and starts charging towards the Earth to destroy everything.

Science Fiction

Jin Ji-hee

(Park Min-seo (young))

Bae Doona

(Park Min-seo (adult))

Song Sae-byuk

(Uncle Hwan)

Yoon Se-a

(Min-seo's mother)

Ryu Seung-su

(newscaster 1)

Lee Young-eun

(newscaster 2)

John D. Kim

(former NASA researcher)

Kevin Lee

(government employee)

Oh Jae-min

(tv host 1)

Kim Ok-jin

(tv host 2)

Jung Chul

(model 1)

Jo Seung-min

(model 2)

Nam Yoon-young

(model 3)

Go Joon-hee

(weather girl)

Lee Kyung-ho

Lee Sang-joon