Ashley Taylor
Jeff Taylor
Zack Taylor (as Billy Unger)
Sirus Caldwell
Dr. Victor Lloyd
Monster Mutt (voice)
Helen
Natalya
Monty
Tawni Martinez
Pet Shop Pete
Charlie
Valerie Williams
Nicole Williams
Snotty Little Girl (as Abby Bankston)
Delivery Man
School Kid (as Amber Montana)
School Kid
School kid
School Boy
Fireman