Monster Mutt

Rhiannon Leigh Wryn

Ashley Taylor

Bart Johnson

Jeff Taylor

William Brent

Zack Taylor (as Billy Unger)

Zack Ward

Sirus Caldwell

Brian Stepanek

Dr. Victor Lloyd

Mindy Sterling

Helen

Juliet Landau

Natalya

Jacqueline Pinol

Tawni Martinez

Alastair Mackenzie

Monty

John Kassir

?

Destin Bigsby

Kim Fields

?

China Anderson

Abigail Bankston

Snotty Little Girl

?

Brandon Ellison