Season 2 2002 | 50 episodes The season 2 of Clifford the Big Red Dog aired from May 16, 2002. Season 1 2000 | 80 episodes The season 1 of Clifford the Big Red Dog aired from Sep 4, 2000. Cast (7) John Ritter Clifford the Big Red Dog (voice) Grey DeLisle Emily Elizabeth Howard (voice) Kel Mitchell T-Bone (voice) Cree Summer Cleo (voice) Gary LeRoi Gray Charley (voice) Cam Clarke Machiavelli "Mac" Handover (voice) Kath Soucie Jetta Handover (voice) Crew (6) Norman Bridwell Book.he Deborah Forte Creator.she Deborah Forte Executive Producer.she Martha Atwater Creator.he John Over Director.he Sindy McKay Story Editor.she Images Backdrops Posters Similar Series Höggschde Konzentration