Müfettiş Gadget

Matthew Broderick

Inspector Gadget / Robogadget / John Brown

Rupert Everett

Sanford Scolex

Joely Fisher

Brenda / Robobrenda

Michelle Trachtenberg

Penny

Andy Dick

Kramer

Cheri Oteri

Mayor Wilson

Mike Hagerty

Sikes

Dabney Coleman

Chief Quimby

D.L. Hughley

Gadgetmobile (voice)

René Auberjonois

Artemus Bradford

Frances Bay

Thelma

Mr. T

Mr. T

Richard Kiel

Famous Big Guy with Silver Teeth

Richard Lee-Sung

Famous Villain with Deadly Hat

Bobby Bell

Famous Identifier of Sea Planes

Hank Barrera

Famous Native American Sidekick

Keith Morrison

Famous Assistant to Dr. Frankensomething

John Kim

Son Before Second Son

Jesse Yoshimura

Bane of the Bumbling, Idiotic Yet Curiously Successful French Detective's Existence / Robobrendaerobics Group Member

Aaron Meyerson

Aaron Meyerson

Cliff Emmich

Out of Control Bus Driver

Jennifer Ingersoll

In Terrible Jeopardy Young Girls

Haley Harper

In Terrible Jeopardy Young Girls

Vichany Sam

In Terrible Jeopardy Young Girls