Peri Gilpin

Off. Jane Proudfoot (voice)

Alec Baldwin

Cap. Gray Edwards (voice)

Ving Rhames

Sgt. Ryan Whitaker (voice)

Ming-Na Wen

Dr. Aki Ross (voice)

Steve Buscemi

Off. Neil Fleming (voice)

Donald Sutherland

Dr. Sid (voice)

James Woods

General Hein (voice)

Keith David

Council Member (voice)

Jean Simmons

Council Member (voice)

Matt McKenzie

Major Elliot (voice)

John DeMita

BCR Soldier #1 / Space Station Technician #2 / Additional Voices (voice)

Matt Adler

Additional Voices (voice)