Peter Stebbings Director, Screenwriter Woody Harrelson Arthur Poppington , Defendor Actor Kat Dennings Kat Actor Sandra Oh Dr. Park Actor Elias Koteas Chuck Dooney Actor Lisa Ray Dominique Ball Actor Michael Kelly Paul Carter Actor Kristin Booth Wendy Carter Actor Charlotte Sullivan Fay Poppington Actor Tatiana Maslany Olga Actor Lyriq Bent Wayne Actor Tony Nappo Biker Cliff Actor Michael Cram Blake Actor Dakota Goyo Jack Carter Actor James Preston Rogers BikerBob Actor Nicholas Tabarrok Producer Tim Brown Executive Producer Sean Buckley Executive Producer John N. Kozman Executive Producer Tim Merkel Executive Producer David Greene Cinematographer Geoff Ashenhurst Film Editing John Rowley Original Music Oleg M. Savytski Production Design Anthony Ianni Art Director Cheryl Dorsey Set Decoration Gersha Phillips Costume Design Jenny Lewis Casting Nancy Klopper Casting Sara Kay Casting