Francesca Marie Smith

Mayzie McGrew (voice)

Henry Gibson

Cat in the Hat (voice)

Tim Curry

Finagle (voice)

George Hearn

Mayor (voice)

Lewis Arquette

Principal (voice)

Jonathan Winters

Dr. Eisenbart (voice)

Susan Silo

Miss Sneetcher (voice)

B.J. Ward

Mrs. McGrew (voice)

Paul Eiding

Mr. McGrew (voice)

Robert Ridgely

Finch (voice)

Ben Smith

Butch (voice)

John Christian Graas

Einstein (voice)

Beth Andersen

Background Singer (voice)

Donna Medine

Background Singer (voice)