Allan Sherman
饰 The Cat in the Hat (voice)
Daws Butler
饰 Mr. Krinklebein the Fish (voice)
Pamelyn Ferdin
饰 Sally (voice)
Tony Frazier
饰 Boy (voice)
Gloria Camacho
饰 Mother (voice)
Thurl Ravenscroft
饰 Thing 1 (voice)
Gene Morford
饰 Thing 2 (voice) (as Lewis Morford)
