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| Cast Credits | | Stars / Main Characters | | Michael Bacon | J.B. Reese | | Sarah Brown | Kaitlin Star | | Brad Hawkins | Ryan Steele | | Richard Rabago | Tao Chong | | Zeb | Jeb | | Michael Sorich | Woody Stocker | | Julian Combs | Professor Horatio Hart | | Gardner Baldwin | Karl Ziktor/Grimlord | | Aaron Pruner | Percival 'Percy' Rooney III | | Recurring Cast | | Randy Swerdlick | Mayor Abner Rooney | | Farrand Thompson | Young Ryan | | Glen McDougal | Strickland | | James Douglas | Dr. Ulysses T. Poindexter | | Sonja Ecker | Mrs. Rooney | | David Carr | Tyler Steele |
| Guest Cast | | Jack Baun | Tim | | Redge Bourgette | Coach | | Paul Brewster | Knighttime | | Heidi Jo Corey | Jane Johnson | | Rikki Dale | Pet Store Clerk | | Don Dowe | Construction Worker | | Jason Graziana | Caveman | | Joe Hackett | Woodman Monster | | Tyffany Hayes | Andrea | | Mark Larson | Artie | | Marissa Leigh | Cavegirl | | Joe Martin | Dr. Daniel Jacobson | | Ashton McArn | Sydney | | Glen McDougal | Strickland | | Jimmy McNichol | Brandon Sands | | Greg Michaels | Nebraska Smith | | Terri Miller | Wendell | | Abdoulaye NGom | Judge #1 | | Kristin Norton | Despera | | Gerald Okamura | Chao Chong | | James Olinick | Otto | | Carla Prez | Ziktor's Beauty | | Brandie Rocci | Alexis | | Machiko Soga | Desponda | | Arnold Spearman | Mr. Reese | | Amy Tan | Pink Vixen | | Brittany Trouville | Laurie Jacobson | | Robert von Fliss | Santa Claus | | John Whatley | Vendor | | Kristen Wheeler | Amy Jo |
| Voice Cast | | Stephen Apostolina | Arachnabot, Scissor Fist | | Steve Cassling | Charmadors | | James Douglas | Fanbot | | Richard Epcar | Slashbot | | Andrea Harmon | Desponda | | John C. Hyke | Transformatron | | Chuck Kovacic | Hydrabot, Wolfbot | | Steve Kramer | Transgressor | | Wendee Lee | Lizbot, Knighttime | | Dave Mallow | Irradiator | | Brad Orchard | Bazookabot | | Scott Page-Pagter |
Forkoid | | Bob Papenbrook | Serpentoid | | Mike Reynolds | General Ivar | | Terrence Stone | Amphibidor, Fotobot, Magician | | Randy Swerdlick | Puppetoid | | Ezra Weisz | Duplitronic, Silkoid | |
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