"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
Lucien Ballard
Director of Photography
Marjorie Fowler
Editor
George Duning
Original Music Composer
Nunnally Johnson
Writers' Assistant
Fred Kohlmar
Malcolm Brown
Art Direction
Jack Martin Smith
Steven Potter
Set Decoration
Walter M. Scott
Moss Mabry
Costume Design
Margaret Donovan
Hairstylist
Ben Nye
Makeup Artist
Lynn F. Reynolds
Fred R. Simpson
Assistant Director
Dennis J. Parrish
Assistant Property Master
Alfred Bruzlin
Sound
Elmer Raguse
L.B. Abbott
Special Effects
Emil Kosa Jr.
Art Cruickshank
Arthur Morton
Orchestrator