Lisa Cronauer
— Golden Tusk (voice)
Simon Hill
— Chew / Mufflebottoms (voice)
Larry G. Jones
— Dr. Double Eyes / Agent Ossobuco / Freebird (voice)
Aidan McCreary
— Mr. Dogmutt (voice)
Kelsey Painter
— Miss Barkenbaum (voice)
Darren Richardson
— 00K9 (voice)
KJ Schrock
— Oddball / Kowalski (voice)
Sarah Taylor
— Agent Hotdog (voice)
Tina Shuster
— Miss Sass (voice)