Omri Katz

Marshall Teller

Justin Shenkarow

Simon Holmes

Mary-Margaret Humes

Marilyn Teller

Julie Condra

Syndi Teller

Francis Guinan

Edgar Teller

Gregory Itzin

Lauri Hendler

Fifi (voice)

Daniel Evans

Bob Bob

Michael J. Pollard

Claude

Taylor Fry

Little Girl

T. C. Warner

Andrea

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

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

Steve Peri

Old Elvis (as Steven Peri)

John Standing

Professor Nigel Zirchon

Kelly Connell

Weatherman Wally

Matt Frewer

Howard Raymer

Archie Hahn

Fred Suggs

Belinda Balaski

Mother

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

Joe Dante

Director

Sachi Parker

Secretary

Julius Harris

Prop Man

Mark Blankfield

Jose Schaefer

Tom Everett

Tod's Dad

Grant Gelt

Tod McNulty

Gwynyth Walsh

Tod's Mother

Dan Stanton

Adult Bertram Wilson

Don Stanton

Adult Ernest Wilson

Andrew White

Officer Derek

Tony Jay

Sir Boris von Orloff

Christian Cousins

Harley Holmes

Joseph Cousins

Harley Holmes

Henry Gibson

Dick Miller

Louan Gideon

Nicholas Schultz

Nathan Schultz

Denise Richards

Girl #2