Maria Bello as May

Kristen Stewart as Martine

William Hurt as Brett Hanson

Eddie Redmayne as Gordy

Kaori Momoi as Motel Owner

Grover Coulson as Farnsworth

Lisha Brock as Waitress

Aimée Spring Fortier as Teenage Mother

Lucy Faust as Snotty Girl

Veronica Russell as Warden Genaro

Ashlynn Ross as Deliver Girl

Rebecca Newman as Ilene

Michael D. Kennedy as Tony Freckles

Nurith Cohn as Female Nurse

Paige Pareti as Girl in Video

Jeff Galpin as Policeman #2

Douglas M. Griffin as Policeman

Holly O'Quin as Female Nurse (uncredited)

Chris J. Fanguy as Wildlife Enforcement Officer (uncredited)