Kristine Froseth as Sarah Jo

Jon Bernthal as Josh

Jennifer Jason Leigh as Marilyn

Taylour Paige as Treina

Scott Speedman as Vance Leroy

Luka Sabbat as Arvin

Lena Dunham as Heather

Ebon Moss-Bachrach as Yuli

Liam Michel Saux as Zach

Janicza Bravo as Mercedes

Ben Sidell as Jace

Tommy Dorfman as Bartender (Tali)

Stephen R. Hart as Mark

Margaux Rust as Random Girl

Patrick McLain as Sex Partner

Lisa Costanza as Police Officer (uncredited)

Victoria De Mare as Amber (uncredited)

Stephen Saux as Occupational Therapist (uncredited)