Omri Katz

Marshall Teller

Justin Shenkarow

Simon Holmes

Mary-Margaret Humes

Marilyn Teller

Julie Condra

Syndi Teller

Francis Guinan

Edgar Teller

Joe Dante

Director

Lauri Hendler

Fifi (voice)

Michael J. Pollard

Claude

Taylor Fry

Little Girl

Nikki Cox

Janet

John Astin

Radford

Aron Kincaid

Fluffy (voice)

Shanelle Gray

Sara Bob

Tobey Maguire

Tripp McConnell

Stephen Root

Mr. Chaney

Claude Akins

Bank Robber / Grungy Bill

Stefanos Miltsakakis

Nanny Arnold

Harry Goaz

Sgt. Knight

Archie Hahn

Fred Suggs

Belinda Balaski

Winifred Swanson

Jacob Gelman

Moe Bob

Sean Babb

Lou Bob

Richard Grove

Dad Bob

Herta Ware

Mary B. Carter

Aimee Brooks

Young Mary

Jeff Fried

Paramedic

Eric Christmas

Milkman

Lindsey Ginter

Garbage Collector

Gregory Itzin

The Mayor

John Standing

Professor Nigel Zirchon

Kelly Connell

Weatherman Wally

Matt Frewer

Howard Raymer

Jason Marsden

Dash X

Kyle Secor

Todd Ski (uncredited)

Anita Morris

Eunice Danforth / Marshall Teller

Paul Sand

Charles Furnell / Simon Holmes

Ray Walston

Ned

René Auberjonois

The Donald

Bryan Clark

IRS Man

Doug Llewelyn

Anchorman

Carmen Anita Ray

Carmen

Riley Weston

Girl #1

Virginia Watson

Makeup Artist

Leland Orser

Assistant Director

Dan Stanton

Adult Bertram Wilson

Steve Peri

Old Elvis (as Steven Peri)

Don Stanton

Ernest Wilson

Sachi Parker

Secretary

Julius Harris

Prop Man

Mark Blankfield

Jose Schaefer

Tom Everett

Phil McNulty

Grant Gelt

Tod McNulty

Gwynyth Walsh

Tod's Mother

Andrew White

Derek

Tony Jay

Sir Boris von Orloff

Christian Cousins

Harley Holmes

Joseph Cousins

Harley Holmes

Henry Gibson

Mr. Lodgepoole

Dick Miller

Al

Louan Gideon

Betty Wilson

Nicholas Schultz

Ernest Wilson

Nathan Schultz

Bertram Wilson

Denise Richards

Girl #2

Olivia Virgil White

Phyllis Stouffer

Coleen Maloney

Imogene Crocker

Collen McNamara

Beatrice Pillsbury

Barbara Pilavin

Old Betty

Vincent Schiavelli

Dr. Eukanuba

Patrick LaBrecque

Steve Konkalewski

Lou Cutell

Old Man Dithers

Gabriel Damon

Nicholas

Scott Weinger

Eddie

Russell Gannon

Biker

Billy Million

Biker

Shawna Casey

Maiden

Lucy Lee Flippin

Nurse Nancy

Roy Brocksmith

Principal Togar

Raffi Di Blasio

Doug Dimsdale

Todd Jeffries

Canadian Mountie