David Kellogg Director Matthew Broderick Officer John Brown, Inspector Gadget, Robo Gadget Actor Rupert Everett Sanford Scolex, Dr. Claw Actor Joely Fisher Dr. Brenda Bradford, Robo Brenda Actor Michelle Trachtenberg Penny Actor Andy Dick Kramer Actor Cheri Oteri Mayor Wilson Actor Mike Hagerty Sikes Actor Dabney Coleman Chief Quimby Actor D.L. Hughley Gadgetmobile Voice Rene Auberjonois Prof. Artemus Bradford Actor Frances Bay Thelma Burr Actor Don Adams Brain Voice Alexander Folk Cop Actor Cliff Emmich Fat Bus Driver Actor Jennifer Ingersoll Young Girl Actor Haley Harper Young Girl Actor Vichany Sam Young Girl Actor Ivory Dilley Young Girl Actor Brielle Blount Young Girl Actor Hailey Peitzman Young Girl Actor Brian Tibbetts Boy on Bike Actor W. Bob Gaynor Robotic Foot Dancer Actor Richard Penn Doctor Actor Sam Brown Officer McMurphy Actor Brad Blaisdell Officer Johnson Actor Sonya Eddy Hospital Secretary Actor Katsy Chappell Nurse in Hallway Actor Kathleen M. Darcy Nurse in Hallway Actor Brian George Swami Actor Andy Heyward Writer, Producer Jean Chalopin Writer Bruno Bianchi Writer Dana Olsen Writer Kerry Ehrin Writer Zak Penn Writer Jon Avnet Executive Producer Barry Bernardi Executive Producer Jonathan Glickman Executive Producer Aaron Meyerson Executive Producer Ralph Winter Executive Producer Jordan Kerner Producer Roger Birnbaum Producer John Debney Original Music Adam Greenberg Cinematographer Alan Cody Film Editing Thom Noble Film Editing Gerald B. Greenberg Film Editing Amanda Mackey Casting Cathy Sandrich Casting Leslie Dilley Production Design Michael White Production Design Geoff Hubbard Art Director Lawrence A. Hubbs Art Director Bruton Jones Art Director Kate Sullivan Set Decoration Mary E. Vogt Costume Design