Wayne Cramp (voice) / Grandpa (voice, uncredited)
Lucien Cramp (voice)
Dorothy Cramp (voice)
Horace Cramp (voice)
Tony Parsons (voice) / Seth Parsons (voice)
Wendy Winkle (voice)
Mari Phelps (voice)
Miss Hilary Hissy (voice)
Walter Winkle (voice)
Dirty Joe Muldoon (voice)
Mr. Pretty (voice)
Marsha (voice) / Patsy / Marsha (voice)
Tandy (voice) / Tandy (Voice)
Brick (voice) / Calvin Phelps / Judith Phelps (voice)
Haz Chem Guide / Boy 1 (voice) / Clerk John (voice)
Mrs. Barker / Lily (voice) / Miss Monkfish (voice)
Official / Biker (voice) / Turnip Shoot Man / Rawhide Bear (voice)
Tourist Father (voice) / Doctor / Kandyman / Game Show Host (voice)
Agent X (voice)
Grandma (voice)
Mrs. Parsons (voice)
Cougar Ron (voice)
Girl #1 / Sunny Peaks Girl (voice)
Zookeeper (voice)
