• 
  David Michel

  regizor

• 
  Mark Hamill

  Principal John Smith (1 episode, 2002)
• 
  John Kassir

  Madman  (1 episode, 2001)
• 
  Andrea Baker

  Clover
• 
  Michael Gough

  Tim Scam
• 
  Kath Soucie

  Norman
• 
  Darryl Kurylo

  David
• 
  Katie Griffin

  Alex (1 episode, 2004)

• 
  Kool Moe Dee

  Reggie Willis (1 episode, 2002)
• 
  Nick Jameson

  Dr. V (1 episode, 2003)
• 
  Lauren Tom

  Keiko  (3 episodes, 2002-2003)
• 
  Susanne Blakeslee

  Tammy (1 episode, 2006)
• 
  April Winchell

  Ms. Brooks  (1 episode, 2002)
• 
  Jennifer Hale

  Sam  (81 episodes, 2001-2006)
• 
  Rino Romano

  Robby (1 episode, 2002)

• 
  Cree Summer

  Model (1 episode, 2002)
• 
  B.J. Ward

  Dr. Bittersweet (1 episode, 2002)
• 
  Corey Burton

  Simon Tucker (1 episode, 2002)
• 
  Lindsay Ridgeway

  Britney (2 episodes, 2004-2005)
• 
  Dee Bradley Baker

  Lumiere  (4 episodes, 2002-2004)
• 
  Tara Strong

  Honeybees (1 episode, 2002)
• 
  Kevin Michael Richardson

  B Gebe  (1 episode, 2002)
• 
  Sara Ballantine

  Voci adiţionale (episoade necunoscute)
• 
  Kathleen Laskey

  Geraldine Husk (1 episode, 2005)
• 
  Brian Cummings

  Trode (1 episode, 2002)
• 
  Adrienne Barbeau

  Helga Von Guggen  (2 episodes, 2002-2004)
• 
  Richard Steven Horvitz

  Theodor (1 episode, 2002)
• 
  Steve Mackall

  Macker, the Safecracker (1 episode, 2001)
• 
  Joshua Seth

  Arnold  (3 episodes, 2004-2005)
• 
  Robert Tinkler

  Arnold (1 episode, 2004)
• 
  Cedric Smith

  Professor Link (1 episode, 2005)
• 
  Phil LaMarr

  Boogie Gus (1 episode, 2006)
• 
  David Sparrow

  The Evil Dentist  (2 episodes, 2004)
• 
  Jason Marsden

  Ian (1 episode, 2003)
• 
  Maurice LaMarche

  Chewbaccastan Ambassador  (3 episodes, 2001-2004)
• 
  Billy West
• 
  Greg Cipes

  Dean (3 episodes, 2005)
• 
  Quinton Flynn

  Rick (1 episode, 2001)
• 
  Steve Blum

  King Kurpet (1 episode, 2001)
• 
  Lauren Collins

  Gazella - Super Model  (2 episodes, 2005)
• 
  Kathy Ireland

  Julia Hastings (1 episode, 2002)
• 
  Ian James Corlett

  B.O.B.  (2 episodes, 2002-2003)
• 
  Tom Kane

  C.H.A.D.  (2 episodes, 2002)
• 
  Jess Harnell

  Jerry  (51 episodes, 2001-2004)
• 
  Grey Griffin

  Alice  (3 episodes, 2002-2003)
• 
  Stevie Vallance

   G.L.A.D.I.S. (37 episodes, 2004-2006)
• 
  Katie Leigh

  Alex
• 
  Marisol Duran

   Dominique (52 episodes, 2006-2014)
• 
  Georgina Sanchez

  Mandy
• 
  Adrian Truss

  Jerry