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