Sandra Bullock
Malorie Hayes
Danielle Macdonald
Olympia
Vivien Lyra Blair
Girl / Olympia
Parminder Nagra
Dr. Lapham
Kyle Beatty
Elder Marauder
Ashley Alva
Female Marauder
David Dastmalchian
Whistling Marauder
Keith Jardine
Yelling Marauder
Kristopher Logan
Older Man
Shirley Butler
Woman in Entryway
Danny Max
Radio Newscaster #1 (voice)
Debra Mark
Radio Newscaster #2 (voice)
Dennis Keiffer
Marauder (uncredited)