Felicity Porter

Keri Russell

Ben Covington

Scott Speedman

Julie Emrick

Amy Jo Johnson

Noel Crane

Scott Foley

Elena Tyler

Tangi Miller

Sean Blumberg

Greg Grunberg

Meghan Rotundi

Amanda Foreman

Barbara Porter / Barbara Hunter

Eve Gordon

Javier Clemente Quintata / Javier

Ian Gomez

James

Eddie Cahill

Molly

Sarah-Jane Potts

Samantha

Daphnee Duplaix

Mr. Andrew Covington

John Ritter

Dr. Zwick

Teri Garr

DeForrest Ingram

Kenan Thompson

Natalie

Ali Landry

Tracy

Donald Faison

Jane Scott

Tyra Banks

Richard Coad

Rob Benedict

Finn

Chris Engen

Dr. Leonard

Jim Jansen

Professor Morton

Elaine Kagan

Girl

Jane Bordeaux

Ruby

Amy Smart

Sally Reardon (voice)

Janeane Garofalo

Dr. Toni Pavone

Amy Aquino

Dr. Edward Porter

Erich Anderson

Greg Stenson

Chris William Martin

Zoe Webb

Sarah Jane Morris

Trevor O'Donnell

Christopher Gorham

Guy

Brian Klugman

Lynn McKennan

Dash Mihok

Professor Bill Hodges

Jim Ortlieb

Blair / Tin Man

Shan Omar Huey

Dr. Peter McGrath

Chris Sarandon

Lauren

Lisa Edelstein

Zach

Devon Gummersall

Carol Anderson

Jane Kaczmarek

Mr. Norman / Dominic

Bob Clendenin

Brian Burke

Michael Peña

Carl

L.B. Fisher

Maggie Sherwood

Teri Polo

David Sherman

Henri Lubatti

Dominic Webb

Christopher Allport