Colossal
Voltar
Anne HathawayGloria
Jason SudeikisOscar
Austin StowellJoel
Tim Blake NelsonGarth
Dan StevensTim
Hannah CheramyYoung Gloria
Nathan EllisonYoung Oscar
Sarah SurhMother- Haeun Hannah ChoLittle Girl
- Joe CostaOld Man
Melissa M. MontgomeryWaitress
Christine LeeSeoul Waitress
Rukiya BernardMaggie
James YiFund Raiser Man
Alyssa DawsonReporter
Miho SuzukiInternational News Anchor
Charles SinghExpert #1
Jenny MitchellExpert #2- Mad HarperReporter #2
- Everett AdamsChubby Boy
Agam DarshiAsh- Hettie Lynne HurtesNews Reporting Consultant
- Alex CohenNews Reporting Consultant
- Steve JulianNews Reporting Consultant
Andrew SuttarBar Patron (sem créditos)- Cole TurnerBoy Walking By Playground (sem créditos)