Ivan Reitman Director Uma Thurman Jenny, G-Girl Actor Luke Wilson Matt Actor Anna Faris Hannah Actor Rainn Wilson Vaughn Actor Suzy Eddie Izzard Prof. Bedlam, Barry Actor Wanda Sykes Carla Dunkirk Actor Mike Iorio Lenny Actor Stelio Savante Leo Actor Mark Consuelos Steve Actor Tara Thompson Young Jenny Actor Kevin Townley Young Barry Actor Don Payne Writer Arnon Milchan Producer Gavin Polone Producer Bill Carraro Executive Producer Don Burgess Cinematographer Sheldon Kahn Film Editing David Fishel Film Editing Teddy Castellucci Original Music Jane Musky Production Design Patricia Woodbridge Art Director Debra Schutt Set Decoration Laura Jean Shannon Costume Design John Papsidera Casting