Uma Thurman (G-Girl / Jenny Johnson), Luke Wilson (Matt Saunders), Anna Faris (Hannah Lewis), Rainn Wilson (Vaughn Haige), Eddie Izzard (Barry / Professor Bedlam), Stelio Savante (Leo), Mike Iorio (Lenny), Mark Consuelos (Steve Velard), Wanda Sykes (Carla Dunkirk), Margaret Anne Florence (Shapely Bartender), Abraham Sparrow (), Emily Girvin (), Traver Rains (), Richie Rich (), Clint Chin (), Ben Wang (), Adam Bedri (), Clem Cheung (), Ilona Alexandra (), Tara Thompson (), Tiffany Haupt (), Tara DiGiore (), Lillian Lynn (), Angel Sing (), Ron Moreno (), Kevin Townley (), Eva Veronika (), Catherine Reitman (), Santos (), Lawrence Feeney (), Lou Bonacki (), Richard Brevard (), Isaac Betancourt-Sabillon (), Fallon Brooking (), Greg Northrop (), Jeff Norris (), Peter Patrikios (), Edixon Caridad (), Kat Stroot (), Steven Weisz (), Stream (), Kenneth Simmons (), Rik Parker (), Brian Robinson (), Marc Yarrish (), Amanda Saphire Billingham (), Erin Boyes ()