• 
  Russell Calabrese

  regizor
• 
  Scott Jeralds

  regizor

• 
  George Doty IV

  scenarist
• 
  Jordana Arkin

  scenarist

• 
  Grey Griffin

  Daphne Blake
• 
  Mindy Cohn

  Velma Dinkley
• 
  Frank Welker

  Scoobert 'Scooby' Doo & Fred Jones
• 
  Casey Kasem

  Norville 'Shaggy' Rogers

• 
  Taylor Lautner

  Dennis / Ned
• 
  Ron Perlman

  Joe
• 
  Miranda Cosgrove

  Miranda Wright
• 
  Jenny McCarthy

  Marcy
• 
  Dave Foley

  Laslow Oswald (1 episode, 2002)
• 
  Pat Fraley

  Uncle Karl (1 episode, 2005)
• 
  Vince Corazza

  Zeke Zillion (1 episode, 2004)

• 
  Tara Lipinski

  Camp Counsler Grey (1 episode, 2005)
• 
  Hector Elizondo

  Dr. Guitirrez (1 episode, 2002)
• 
  Josh Peck

  Damian  (1 episode, 2006)
• 
  Nick Jameson

  Lysander Demas  (1 episode, 2004)
• 
  Kath Soucie

  Susan Dinwiddie (1 episode, 2002)
• 
  Lauren Tom

  Backup Singer #1  (4 episodes, 2002)
• 
  Clyde Kusatsu
• 
  Rachael MacFarlane

  Connie Crunch  (2 episodes, 2005)
• 
  Harland Williams

  George (1 episode, 2005)
• 
  Susanne Blakeslee

  Penelope Bailey (1 episode, 2004)
• 
  Mako

  The Ancient One (1 episode, 2003)
• 
  Mimi Rogers

  Maura Ravenmane (1 episode, 2002)
• 
  Jennifer Hale

  Allison  (7 episodes, 2002-2006)
• 
  Rino Romano

  Captain Treesdale  (1 episode, 2002)
• 
  Khary Payton

  Mitch (1 episode, 2006)
• 
  Mark Hamill

  Barge Captain  (2 episodes, 2002-2003)
• 
  Rip Taylor

  Mr. Wackypants (1 episode, 2002)
• 
  Diedrich Bader

  Uncle Evan (1 episode, 2002)
• 
  Jim Belushi

  Asa Buckwald (1 episode, 2002)
• 
  M. Emmet Walsh

  Jeb (1 episode, 2002)
• 
  Dee Bradley Baker

  Announcer  (5 episodes, 2003-2005)
• 
  Tara Strong

  Alexandra Viggi  (3 episodes, 2002-2004)
• 
  Kevin McDonald

  Julian Libris  (2 episodes, 2003-2004)
• 
  Kevin Michael Richardson

  Announcer  (4 episodes, 2002-2004)
• 
  Joey Lauren Adams

  Rachel (1 episode, 2005)
• 
  Irene Bedard

  Cody Long (1 episode, 2004)
• 
  Teri Garr

  Sandy Gordon (1 episode, 2003)
• 
  James Sie

  Louie Hong Fa (1 episode, 2005)
• 
  Stacy Keach

  Harold Lind  (2 episodes, 2002-2005)
• 
  Jill Talley

  Frida Flora (1 episode, 2005)
• 
  Laraine Newman

  Wor-El (1 episode, 2003)
• 
  Daryl Sabara

  Tommy (1 episode, 2002)
• 
  Vanessa Marshall

  Danica LeBlake (1 episode, 2005)
• 
  Kathy Griffin

  Luis Agent Autumn Summerfield (1 episode, 2003)
• 
  David Faustino

  Curt Crunch (1 episode, 2005)
• 
  James Horan

  Dr. Fleg and Bandit (1 episode, 2005)
• 
  Stacie Chan

  Alex (1 episode, 2005)
• 
  John O'Hurley

  Beavis Bottomczek  (2 episodes, 2003-2005)
• 
  Bumper Robinson

  Cap N' Robbie  (1 episode, 2002)
• 
  Rhea Perlman

  Agnes (1 episode, 2002)
• 
  Peter Scolari

  Professor Higginson (1 episode, 2002)
• 
  Julia Sweeney

  Aunt Meg (1 episode, 2002)
• 
  Phil LaMarr

  Col. Henry Thomwald  (2 episodes, 2004-2005)
• 
  Larry Drake

  Burglar #2  (1 episode, 2004)
• 
  Denzel Whitaker

  Jake - Kid (1 episode, 2005)
• 
  Tom Kenny

  Band Member  (5 episodes, 2002-2005)
• 
  Bill Mumy

  Harry Noze (1 episode, 2003)
• 
  Maurice LaMarche

  Haze Ferlenguini  (1 episode, 2004)
• 
  Billy West

  Jimmy Proudwolf (1 episode, 2004)
• 
  Jonny Rees

  Bob  (2 episodes, 2005)
• 
  Steve Blum

  Melbourne O'Reilly  (5 episodes, 2002-2005)
• 
  Carlos Alazraqui

  Jaime Herrera  (2 episodes, 2003)
• 
  Jess Harnell

  Constable  (1 episode, 2004)
• 
  Dan Castellaneta

  Officer McBride  (1 episode, 2005)
• 
  Benito Martinez

  Horatio Hidalgo (1 episode, 2002)
• 
  Michael Horse

  Leon Strongfeather (1 episode, 2004)
• 
  Gedde Watanabe

  Vincent Wong (1 episode, 2003)
• 
  Eddie Deezen

  Gibby Norton (3 episodes, 2003-2005)
• 
  John Stephenson

  Bob Taylor  (2 episodes, 2003-2004)
• 
  William Schallert

  Farmer P.  (2 episodes, 2003-2005)
• 
  John DiMaggio

  Dragon  (4 episodes, 2002-2005)
• 
  Daran Norris

  Camel Sam  (3 episodes, 2002-2003)
• 
  Jesse Borrego

  Luis Cepeda (1 episode, 2002)
• 
  Pamela Adlon

  Bobby Blather  (2 episodes, 2002)
• 
  James Arnold Taylor

  Burr Batson  (7 episodes, 2003-2006)
• 
  Mikey Kelley

  Monroe Hopper (1 episode, 2004)
• 
  Gwendoline Yeo

  Lt. Keiko Tanaka (1 episode, 2003)
• 
  Fred Tatasciore

  Clyde - Camp Director  (2 episodes, 2005)