Diễn viên
Henry Gibson
Cat in the Hat (voice)
Tim Curry
Finagle (voice)
George Hearn
Mayor (voice)
Paul Eiding
Mr. McGrew (voice)
Robert Ridgely
Finch (voice)
Francesca Marie Smith
Mayzie McGrew (voice)
Lewis Arquette
Principal (voice)
Jonathan Winters
Dr. Eisenbart (voice)
B.J. Ward
Mrs. McGrew (voice)
Ben Smith
Butch (voice)
John Christian Graas
Einstein (voice)