Kodi Smit-McPhee
Alexander
Michael Papajohn
Cannon-Gunner
Thomas Rosales Jr.
Old Man
Christopher Berry
Gun-Clinching Man
Sergio Kato
Colony Survivor (uncredited)
Michael Bloomberg
Self (archival footage)
John L. Armijo
Dreyfus' Officer (uncredited)
Joe Bravo
City Hall Colonist (uncredited)
Steve D'Assis
Survivor (uncredited)
Mike R. Moreau
Human Survivor (Courthouse) (uncredited)
Jazzy Ellis
Human Colony (uncredited)
Lucky Johnson
Rationer (uncredited)
Allyson Leigh Jordan
Human Colonist (uncredited)
Angela Kerecz
Captured Human (uncredited)
Bobby Kerecz
Captured Human (uncredited)
Anthony A. Kung
Colony Member (uncredited)
John R Mangus
Dreyfus Officer (uncredited)
John Parsons
Human Colony Member (uncredited)
Mel Powell
Driver (uncredited)
Carl Joseph Schreiber
Human Colonist (uncredited)
Timothy Wyant
Attacked First Running Colonist (uncredited)
Lynnanne Zager
Newscaster (voice) (uncredited)
Barack Obama
Self (archive footage) (uncredited)