"Professor Leaf, an absent-minded poet with a prejudice against the sciences, is forced to face the fact that his son is a math prodigy with little artistic talent of his own."
James Stewart
as Professor Robert Leaf
Fabian
as Kenneth 'Kenny' Taylor
Glynis Johns
as Vina Leaf
Cindy Carol
as Pandora 'Panny' Leaf
Bill Mumy
as Erasmus 'Ras' Leaf
John Williams
as Peregrine Upjohn
Brigitte Bardot
as Brigitte Bardot
Jack Kruschen
as Doctor Volker
Charles Robinson
as George
Howard Freeman
as Dean Sawyer
Jane Wald
as Terry, George's Wife
James Brolin
as Student at Leaf Rally
Susanne Cramer
as Blonde Doll (Upjohn's Girl)
Ed Wynn
as The Captain
Paula Lane
as Eugenia Clove
Robert Biheller
as Orville
Alice Pearce
as Office Clerk
Henry Koster
Director
Hal Kanter
Writer
John Haase
Novel
Producer
Marjorie Fowler
Editor
Lucien Ballard
Director of Photography
George Duning
Original Music Composer
Nunnally Johnson
Writers' Assistant
Malcolm Brown
Art Direction
Dennis J. Parrish
Assistant Property Master
Moss Mabry
Costume Design
L.B. Abbott
Special Effects
Emil Kosa Jr.
Ben Nye
Makeup Artist
Elmer Raguse
Sound
Art Cruickshank
Margaret Donovan
Hairstylist
Walter M. Scott
Set Decoration
Lynn F. Reynolds
Fred R. Simpson
Assistant Director
Fred Kohlmar
Jack Martin Smith
Arthur Morton
Orchestrator
Steven Potter
Alfred Bruzlin