Carlos AlazraquiRocko / Spunky / Leon Chameleon / Gordon the Foot / Mitch / Bun Master (voice)
Tom KennyHeffer Wolfe / Chuck Chameleon / Really Really Big Man / Papa Elf / Newscaster / Captain Compost Heap / Salesman / Winds of Change / Tom / Tree (voice)
Charlie AdlerEd Bighead / Bev Bighead / Mr. Dupette / Grandpa Wolfe / Mr. Fathead / Mrs. Fathead / Dead Napoleon (voice)
Mr. LawrenceFilburt / Maitre D' / Martian 1 / Doug / Hopping Hessian / Doodleberg / Lizard (voice)
Jill TalleyNosey / Rabbit Mama / Schlam-O Girl / Teacher / Elephant Lady (voice)
Linda WallemDr. Hutchinson / Aunt Gretchen / Female Giraffe (voice)