在不久的将来，空气供应稀缺，当两个陌生人急切地需要一个有氧气的避风港时，母亲和女儿被迫为生存而战。
Jennifer Hudson
Maya
Milla Jovovich
Tess
Quvenzhané Wallis
Zora
Common
Darius
Sam Worthington
Lucas
Raúl Castillo
Micah
James Saito
Man
Dan Martin
Mike
The Man
Sonya Giddings
Lady (uncredited)
Kimberly L. Jackson
Survivor (uncredited)
John Xavier Lambert
Kid 1 (uncredited)
Madison Latham
Baby Zora (uncredited)
