Guest Stars Joseph May voices Additional Voices Credit Only Tabitha St. Germain voices Melanie Trevor Devall voices Hot Dog Scott McNeil voices Ace the Bat Hound Scott McNeil voices Ignatius Peter Kelamis voices Tail Terrier Kelly Sheridan voices Mammoth Mutt Mark Oliver voices Mechanikat Brian Drummond voices Kevin's Dad Michael Dobson voices Bulldog Phil Hayes voices Additional Voices Terry Klassen voices Tusky Husky Dale Wilson voices Paw Pooch Nicole Bouma voices Snooky Wookums Ellen Kennedy voices Brainy Barker Russell Roberts voices Additional Voices Matt Hill voices Additional Voices Kathleen Barr voices Additional Voices Kirby Morrow voices Additional Voices Michael Donovan voices Additional Voices Jay Brazeau voices Additional Voices Shannon Chan-Kent voices Additional Voices Gabe Khouth voices Additional Voices Lee Tockar voices Stretch-O-Mutt Paul Dobson voices Additional Voices Don Brown voices Additional Voices Aidan Drummond voices Additional Voices Christopher Gaze voices Additional Voices Mark Acheson voices Additional Voices Bill Mondy voices Additional Voices Uncredited Bailey Junior voices Bailey