Heather Wahlquist as Mary

Sienna Miller as Xanne

Lucy Punch as Amanda

Max Thieriot as Young Nowell

Melanie Griffith as Patsy

Gena Rowlands as Mimi

Ray Liotta as Afai

David Morse as Psychologist

Daveigh Chase as Young Mary

Riley Keough as Young Amanda

E. G. Daily as Aunt Netty

Brendan Sexton III as Nowell

Onata Aprile as Linda

Malea Rose as Zadora

Cassandra Jean Amell as Becky

Gary Stretch as Jimmy Carpenito Snr

Bella Dayne as Ashley

Tonya Cornelisse as Starla

Joe Bretz as Rick

Cassidee Vandalia as Thug Teenager

Ben Richardson as Bartender (uncredited)

Chris Kinkade as Calvin