Song Joong-ki

Tae-ho

Kim Tae-ri

Captain Jang

Yoo Hai-jin

Bubs (voice)

Jin Sun-kyu

Tiger Park

Richard Armitage

James Sullivan / The CEO of UTS

Kim Moo-yul

Kang Hyun-woo

Park Ye-rin

Dorothy / Kang Kot-nim

Oh Ji-yul

Kim Su-ni

Kim Hyang-gi

Bubs' New Body

Nas Brown

Karum

Kevin Dockry

Pierre

Carla Fernanda Avila Escobedo

Camilla

Anupam Tripathi

James Sullivan's Secretary

Andrew William Brand

UTS Prime Minister

John D. Michaels

UTS Boardmember

Joey Albright

Reporter 1

Ana Ruggiero

Black Fox 2

Massimo Fierro

Black Fox 4

Rahel Limor

Black Fox 5

Yoon Hae-ju

Black Fox 6

Yoo Young-bin

Black Fox 7

Thomas Frederiksen

Police

Alison Rock

Research Director

Kim Dae-han

Researcher 2

Seo Dong-oh

Pig Father

Ariane Desgagnés-Leclerc

Doctor

Maurice Turner Jr.

American Space Sweeper 1

Milan-Devi LaBrey

American Space Sweeper 3

Oh Yoon-soo

Su-ni's Mother

Daniel C. Kennedy

News Anchor 1 (voice)

Bret Allan Lindquist

Space Cleaner

Garrison Farquharson-Keener

Sector 9 Mayor

Mike Yantzi

Gambler 1

Christian Lagahit

Restaurant staff

Bin Chan-uk

Harpoonist 2

Kim Dong-hyung

Harpoon of Cleaning Ship

Lee Yoo Ri

Woman from Magazine