A pair of kids trying to save their beloved pooch from a mad scientist working for a sinister villain whose experiment has transformed their dog into a crazy-eyed muppet monstrosity.
| Actor | Role |
|---|---|
 Rhiannon Leigh WrynAshley Taylor | Ashley Taylor |
 Bart JohnsonJeff Taylor | Jeff Taylor |
 William BrentZack Taylor (as Billy Unger) | Zack Taylor (as Billy Unger) |
 Zack WardSirus Caldwell | Sirus Caldwell |
 Brian StepanekDr. Victor Lloyd | Dr. Victor Lloyd |
 Mindy SterlingHelen | Helen |
 Juliet LandauNatalya | Natalya |
 Jacqueline PinolTawni Martinez | Tawni Martinez |
 Alastair MackenzieMonty | Monty |
 John KassirNot listed | Not listed |
| DDestin BigsbyNot listed | Not listed |
 Kim FieldsNot listed | Not listed |
| CChina AndersonNot listed | Not listed |
 Abigail BankstonSnotty Little Girl | Snotty Little Girl |
| BBrandon EllisonNot listed | Not listed |
 Eric UngerSchool Boy | School Boy |
| BBob GibsonMonster Mutt (voice) | Monster Mutt (voice) |
 Amber FrankSchool Kid | School Kid |
| IIsabelle MirandaSchool Kid | School Kid |
| ZZachary MontanaSchool Kid | School Kid |
 Todd TuckerCop | Cop |
| JJoe WoyjeckFireman | Fireman |