Tom Arnold as Stanley Stupid

Jessica Lundy as Joan Stupid

Bug Hall as Buster Stupid

Alex McKenna as Petunia Stupid

Mark Metcalf as Colonel Neidermeyer

Matt Keeslar as Lieutenant Neal

Christopher Lee as Evil Sender

Frankie Faison as The Lloyd

Robert Wise as Stanley's Neighbor

David Ferry as Late-night show host

Norman Jewison as TV Director

Jenny McCarthy-Wahlberg as Glamorous Actress

Atom Egoyan as TV Studio Guard

Gillo Pontecorvo as Talk show guest

David Cronenberg as Postal Supervisor

Costa-Gavras as Gas Station Attendant

Anthony J. Mifsud as Explosive Guy

Rolonda Watts as Talk Show Hostess

George Chiang as Chinese Waiter #1

Max Landis as Graffiti Artist

Gurinder Chadha as Reporter #1

Mick Garris as Reporter #2

Rick Avery as Bad Guy

Robert Keeshan as Charles Sender