The Stupids

Tom Arnold

Stanley Stupid

Jessica Lundy

Joan Stupid

Bug Hall

Buster Stupid

Alex McKenna

Petunia Stupid

Mark Metcalf

Colonel Neidermeyer

Matt Keeslar

Lieutenant Neal

Christopher Lee

Evil Sender

Frankie Faison

The Lloyd

Robert Wise

Stanley's Neighbor

David Ferry

Late-night show host

Norman Jewison

TV Director

Jenny McCarthy-Wahlberg

Glamorous Actress

Atom Egoyan

TV Studio Guard

Gillo Pontecorvo

Talk show guest

David Cronenberg

Postal Supervisor

Costa-Gavras

Gas Station Attendant

Anthony J. Mifsud

Explosive Guy

Rolonda Watts

Talk Show Hostess

George Chiang

Chinese Waiter #1

Max Landis

Graffiti Artist

Gurinder Chadha

Reporter #1

Mick Garris

Reporter #2

Rick Avery

Bad Guy

Robert Keeshan

Charles Sender

Scott Kraft

Policeman

Victor Ertmanis

Garbageman #1

Earl Williams

Garbageman #2

Carol Ng

Jade Palace Hostess

Arthur Eng

Chinese Waiter #2

Jennifer Dean

Meter Maid

Garry Robbins

Extremely Tall Guy

Nicu Branzea

Arms Buyer #1

Richard Crook

Arms Buyer #2

Jeremy Ratchford

Soldier

John Stoneham Jr.

Green Alien

Ken Quinn

Orange Alien

Gillian Vanderburgh

Alien Stewardess

Harvey Atkin

Deli Guy

Markus Parilo

Special Forces Guy

Walter Alza

Taxi Driver

Mo Kelso

Airbag Woman

Sherry Miller

Anchorwoman

Jeff Clarke

Delivery Guy

Wendy Hopkins

TV Assistant Director

Jacqueline McLeod

Make-Up Woman

Frederic Devancker

French Chef

Nicholas Rice

Talk Show Guest #2

Julie Armstrong

Talk Show Guest #3

Philip Akin

Henchman #1

Kevin Conway

Henchman #2

Carol Anderson

Checkpoint Guard

Fiona Highet

Cop #1

Phillip Jarrett

Cop #2

Jim Amross

Cop #3

Wayne Ward

Cop #4

Michael Bell

Xylophone & Kitty (voice)