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