Chris Evans as Curtis

Song Kang-ho as Namgoong Minsu

Ed Harris as Wilford

John Hurt as Gilliam

Tilda Swinton as Mason

Jamie Bell as Edgar

Octavia Spencer as Tanya

Ewen Bremner as Andrew

Ko A-sung as Yona

Alison Pill as Teacher

Luke Pasqualino as Grey

Vlad Ivanov as Franco The Elder

Adnan Hasković as Franco The Younger

Emma Levie as Claude

Steve Park as Fuyu

Clark Middleton as Painter

Marcanthonee Reis as Tim

Paul Lazar as Paul

Tómas Lemarquis as Egg-Head

Kenny Doughty as News Reporter

Robert Russell as Gerald

Magda Weigertová as Doris

Jim High as Soldier 1

Peter Hallin as Soldier 2

Haruna Honcoop as Female Officer

Ana Braun as Ylfa

Griffin Seymour as Boy

Tyler John Williams as Young Wilford

Luna Sophia Bar-Cohen as Magdalena

Sean Connor Renwick as Sergio

Karel Veselý as Andy

Park Sungtaek as Chan

Brian Foley as Soldier A

Kendrick Roger Ong as Soldier B

Seisuke Tsukahara as Old Man

Tomáš Dianiška as Dark Voice (voice)

Miroslav Navrátil as Giant

Huh Chan as Plan Tender 1

Lucie Burianová as Plan Tender 2

Dana Green as Voice Actor (voice)

Jonny Loquasto as Voice Actor (voice)

Parry Shen as Voice Actor (voice)

Joseph Bertót as Voice Actor (voice)

Eunkyung Song as Korean Translator Voice (voice)