Heath Ledger
Ennis Del Mar

Jake Gyllenhaal
Jack Twist

Michelle Williams
Alma Beers

Anne Hathaway
Lureen Newsome

Randy Quaid
Joe Aguirre

Linda Cardellini
Cassie Cartwright

Anna Faris
Lashawn Malone

David Harbour
Randall Malone

Roberta Maxwell
Jack's Mother

Kate Mara
Alma Del Mar Jr. (age 19)

Peter McRobbie
John Twist

Graham Beckel
L.D. Newsome

Scott Michael Campbell
Monroe

Marty Antonini
Timmy

David Trimble
Basque

Larry Reese
Jolly Minister

Valerie Planche
Waitress

Tom Carey
Rodeo Clown

Steven Cree Molison
Biker #2

Dean Barrett
Bartender #2

Brooklynn Proulx
Jenny Del Mar (age 4)

Jake Church
Bobby Twist (age 10)

Jerry Callaghan
Judge

John Tench
Roughneck #2

Christian Fraser
Grease Monkey

Barb Mitchell
Western Dancer (uncredited)

Rodrigo Prieto
Young Mexican (uncredited)

Kailin See
Hippy Girl (uncredited)

Jayson Therrien
Bar Patron (uncredited)

Erika Walter
Waitress #2 (uncredited)