Guest Stars Matt Hill voices Thundermutt Credit Only Trevor Devall voices Hot Dog Kelly Sheridan voices Mammoth Mutt Scott McNeil voices Ace the Bat Hound Scott McNeil voices Ignatius Peter Kelamis voices Tail Terrier Michael Dobson voices Bulldog Nicole Oliver voices Kevin's Mom Brian Drummond voices Kevin's Dad Brian Drummond voices Streaky Tabitha St. Germain voices Andrea Tabitha St. Germain voices Melanie Phil Hayes voices Additional Voices Terry Klassen voices Tusky Husky Dale Wilson voices Paw Pooch Ellen Kennedy voices Brainy Barker Mark Oliver voices Mechanikat Russell Roberts voices Additional Voices Kathleen Barr voices Additional Voices Mark Hildreth voices Additional Voices Alvin Sanders voices Additional Voices Dave Ward voices Additional Voices Reece Thompson voices Additional Voices Pam Hyatt voices Additional Voices Lee Tockar voices Additional Voices French Tickner voices Additional Voices Louis Chirillo voices Additional Voices Noel Callaghan voices Additional Voices Ty Olsson voices Additional Voices Michael Daingerfield voices Additional Voices Cathy Weseluck voices Additional Voices Janyse Jaud voices Additional Voices Colin Murdock voices Additional Voices Brian Dobson voices Additional Voices Danny McKinnon voices Additional Voices