Felicity Porter
Keri Russell
Ben Covington
Scott Speedman
Julie Emrick
Amy Jo Johnson
Noel Crane
Scott Foley
Elena Tyler
Tangi Miller
Elena Tyler
Tangi Miller
Sean Blumberg
Greg Grunberg
Meghan Rotundi
Amanda Foreman
Javier Clemente Quintata / Javier
Ian Gomez
Guest Star
Eddie Cahill
Guest Star
Sarah-Jane Potts
Mr. Andrew Covington
John Ritter
Guest Star
Teri Garr
Barbara Porter / Barbara Hunter
Eve Gordon
Guest Star
Kenan Thompson
Guest Star
Ali Landry
Guest Star
Donald Faison
Guest Star
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