John Brown / Inspector Gadget / Robo Gadget

Matthew Broderick

Acting

Sanford Scolex / Dr. Claw

Rupert Everett

Acting

Brenda / Robobrenda

Joely Fisher

Acting

Penny

Michelle Trachtenberg

Acting

Kramer

Andy Dick

Acting

Mayor Wilson

Cheri Oteri

Acting

Sikes

Mike Hagerty

Acting

Chief Quimby

Dabney Coleman

Acting

Gadgetmobile (voice)

D.L. Hughley

Acting

Artemus Bradford

René Auberjonois

Acting

Thelma

Frances Bay

Acting

Mr. T

Mr. T

Acting

Famous Big Guy with Silver Teeth

Richard Kiel

Acting

Famous Villain with Deadly Hat

Richard Lee-Sung

Acting

Famous Identifier of Sea Planes

Bobby Bell

Acting

Famous Native American Sidekick

Hank Barrera

Acting

Famous Assistant to Dr. Frankensomething

Keith Morrison

Acting

Son Before Second Son

John Kim

Acting

Bane of the Bumbling / Robobrendaerobics Group Member

Jesse Yoshimura

Production

Aaron Meyerson

Aaron Meyerson

Production

Out of Control Bus Driver

Cliff Emmich

Acting

Fantastic Doctor

Richard Penn

Acting

Mayor's Sychophantic Assistant

J. P. Manoux

Acting

Sore Guru

Brian George

Acting

Wet, Green Businessman

Alexander Witt

Camera

Hot Dog Vendor

E.J. Callahan

Acting

Assistant Car Thief

Chad Parker

Crew

Period Photographer

Frank Masi

Camera

Snoopy News Anchor

Mary Chris Wall

Acting

Showgirl

Linda Cevallos

Acting

Showgirl

Loralyn Peterson

Acting

Mr. D.I.C. - Party Guest

Andy Heyward

Production

Brain (voice)

Don Adams

Acting

Police Officer (uncredited)

Danny Nero

Acting