 Emile HirschJohnny Truelove | Johnny Truelove |
 Bruce WillisSonny Truelove | Sonny Truelove |
 Amanda SeyfriedJulie Beckley | Julie Beckley |
 Justin TimberlakeFrankie Ballenbacher | Frankie Ballenbacher |
 Shawn HatosyElvis Schmidt | Elvis Schmidt |
 Ben FosterJake Mazursky | Jake Mazursky |
 Harry Dean StantonCosmo Gadabeeti | Cosmo Gadabeeti |
 Matthew BarryInterviewer (as Matt Barry) | Interviewer (as Matt Barry) |
 Fernando VargasTiko "TKO" Martinez | Tiko "TKO" Martinez |
 Vincent KartheiserPick Giaimo | Pick Giaimo |
 Alex SolowitzBobby "911" | Bobby "911" |
 Alec VigilP.J. Truelove | P.J. Truelove |
 Frank CassavetesAdrian Jones | Adrian Jones |
 Nicole DubosNeighborhood Girl on Couch | Neighborhood Girl on Couch |
 Regina RiceDance Bitch Girl | Dance Bitch Girl |
 Laura NativoParty Girl | Party Girl |
 Amber HeardAlma | Alma |
 Anton YelchinZack Mazursky | Zack Mazursky |
 David ThorntonButch Mazursky | Butch Mazursky |
 Sharon StoneOlivia Mazursky | Olivia Mazursky |
 Olivia WildeAngela Holden | Angela Holden |
 Heather WahlquistWanda Haynes | Wanda Haynes |
 Shera DaneseAbby | Abby |
 Nancy De MayoDale Dierker (as Nancy DeMayo) | Dale Dierker (as Nancy DeMayo) |
 Xan CassavetesJonna Kirshner | Jonna Kirshner |
 Dominique SwainSusan Hartunian | Susan Hartunian |
 Charity SheaSabrina Pope | Sabrina Pope |
 Lukas HaasBuzz Fecske | Buzz Fecske |
 Heather Elizabeth ParkhurstBartender (as Heather-Elizabeth Parkhurst) | Bartender (as Heather-Elizabeth Parkhurst) |
 Jesse ErwinEmployee | Employee |
