Bruce Willis - Sonny Truelove
Matthew Barry - Interviewer
Emile Hirsch - Johnny Truelove
Fernando Vargas - Tiko "TKO" Martinez
Vincent Kartheiser - Pick Giamo
Justin Timberlake - Frankie Ballenbacher
Shawn Hatosy - Elvis Schmidt
Alex Solowitz - Bobby “911”
Alec Vigil - P.J. Truelove
Harry Dean Stanton - Cosmo Gadabeeti
Frank Cassavetes - Adrian Jones
Nicole Dubos - Neighborhood Girl on Couch
Regina Rice - "Dance Bitch" Girl
Laura Nativo - Party Girl
Ben Foster - Jake Mazursky
David Thornton - Butch Mazursky
Anton Yelchin - Zack Mazursky
Sharon Stone - Olivia Mazursky
Olivia Wilde - Angela Holden
Heather Wahlquist - Wanda HaynesJesse Erwin - Employee
Paul Johansson - Peter Johansson
Danny A. Abeckaser - Latino Youth #1
James Molina - Latino Youth #2 (as James A. Molina)
Nancy De Mayo - Dale Dierker
Alexandra Cassavetes - Jonna Kirshner (as Xan Cassavetes)
Chuck Pacheco - Chucky Mota
Frank Peluso - Gay "Lumpy" Yeager
Shera Danese - Abby
Greg Kean - De Rosa (as Greg Williams)
Joshua Alba - Klemash
Shirley Kurata - Lu
Patrick Nguyen - V.C.
Chris Kinkade - Juergen Ballenbacher
Dominique Swain - Susan Hartunian
Chris Marquette - Keith Stratten (as Christopher Marquette)
Alex Kingston - Tiffany Hartunian
Amanda Seyfried - Julie Beckley
Charity Shea - Sabrina Pope
Bobby Cooper - Bob Nolder
Stephanie A. Fowler - Delores Stratten (as Stephanie Fowler)
Natasha Elliott - Bathroom Party Girl
Amber Heard - Alma
Janet Jones - Elaine Holden (as Janet Jones Gretzky)
Alan Thicke - Douglas Holden
Rick Salomon - Salesman
Lukas Haas - Buzz Fecske
Adrianna Belan - Leigh Fecske
Holt McCallany - Det. Tom Finnegan
