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