Guest Stars Kathleen Barr voices Isis Cathy Weseluck voices Katy Credit Only Nicole Oliver voices Kevin's Mom Tabitha St. Germain voices Melanie Tabitha St. Germain voices Andrea Brian Drummond voices Kevin's Dad Alberto Ghisi voices Kevin Scott McNeil voices Ignatius 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 Phil Hayes voices Additional Voices Nicole Bouma voices Snooky Wookums Dale Wilson voices Paw Pooch Terry Klassen voices Tusky Husky Ellen Kennedy voices Brainy Barker Mark Oliver voices Mechanikat Russell Roberts voices Additional Voices Matt Hill voices Additional Voices Alvin Sanders voices Additional Voices Mark Hildreth voices Additional Voices Reece Thompson voices Additional Voices Lee Tockar voices Additional Voices Noel Callaghan voices Additional Voices Louis Chirillo voices Additional Voices French Tickner voices Additional Voices Pam Hyatt voices Additional Voices Dave Ward voices Additional Voices Janyse Jaud voices Additional Voices Ty Olsson voices Additional Voices Michael Daingerfield voices Additional Voices Colin Murdock voices Additional Voices Brian Dobson voices Additional Voices Danny McKinnon voices Additional Voices Uncredited Kelly Sheridan voices Princess