On screen
Cast
7 credited performers
Artwork unavailable
Allan Sherman
The Cat in the Hat (voice)
Daws Butler
Mr. Krinklebein the Fish (voice)
Pamelyn Ferdin
Sally (voice)
Artwork unavailable
Tony Frazier
Boy (voice)
Artwork unavailable
Gloria Camacho
Mother (voice)
Thurl Ravenscroft
Thing 1 (voice)
Artwork unavailable
Gene Morford
Thing 2 (voice) (as Lewis Morford)