Tim Robbins
Nathan Bronfman
Patricia Arquette
Lila Jute
Rhys Ifans
Puff
Miranda Otto
Gabrielle
Robert Forster
Nathan's Father
Mary Kay Place
Nathan's Mother
Miguel Sandoval
Wendall the Therapist
Toby Huss
Puff's Father
Peter Dinklage
Frank
Rosie Perez
Louise
Ken Magee
Police Detective
Sy Richardson
Police Detective
David Warshofsky
Police Detective
Hilary Duff
Young
Stanley DeSantis
Doctor
Bobby Harwell
Congressman
Daryl Anderson
Congressman
Bobby Pyle
Young Puff
Chase MacKenzie Bebak
Young Nathan
Anthony Winsick
Wayne Bronfman
Mary Portser
Bistro Waitress
Laura Grady
Aversion Therapy Model
Angela Little
Chester's Waitress
Deborah Ferrari
Stripper
Jeremy Kramer
Lecture Host
Nancy Lenehan
Puff's Mother
Juan Canopii
Reporter (uncredited)