Director
Henry Koster
DIRECTOR
Stars (in credits order)
James Stewart
Professor Robert Leaf
Fabian
Kenneth 'Kenny' Taylor
Glynis Johns
Vina Leaf
Cindy Carol
Pandora 'Panny' Leaf
Bill Mumy
Erasmus 'Ras' Leaf
John Williams
Peregrine Upjohn
Jack Kruschen
Doctor Volker
Charles Robinson
George
Howard Freeman
Dean Sawyer
Jane Wald
Terry - George's Wife
Alice Pearce
Unemployment Office Clerk
Jesse White
Cliff Argyle - the Bookie
Gene O'Donnell
Police Lt. Rink
Orville Sherman
Von Schlogg
Maida Severn
Miss Eva - Ras' Teacher
Pitt Herbert
Bank Manager
Adair Jameson
Mrs. Wo - Dress Shop Sales Lady
Marcel De la Brosse
Paris Taxi Driver
Ed Wynn
The Captain
Don Anderson
Reporter(uncredited)
Brigitte Bardot
Brigitte Bardot(uncredited)
Robert Biheller
Orville(uncredited)
James Brolin
Student at Leaf Rally(uncredited)
Harry Carter
Gloria Clark
Professor Burns(uncredited)
Clive Clerk
Student(uncredited)
Susanne Cramer
Blonde Doll (Upjohn's Girl)(uncredited)
Jack Daly
Racetrack Ticket Seller(uncredited)
Lyn Edgington
William Fawcett
Elderly Pedestrian on Campus(uncredited)
Robert Fitzpatrick
Harry Fleer
T-Man(uncredited)
Percy Helton
Kraft - Man at Computer Lab(uncredited)
William Henry
Racetrack Cashier(uncredited)
Joseph Hoover
Freda Jones
Woman at Unemployment Office(uncredited)
Sid Kane
Nunnally(uncredited)
Sherwood Keith
Operator(uncredited)
Paul King
Racetrack Patron(uncredited)
Louise Lane
Saleslady(uncredited)
Paula Lane
Eugenia Clove(uncredited)
Richard Lane
Racetrack Announcer(uncredited)
Jay Loft-Lynn
Ted Mapes
Mr. Rudy - the Mailman(uncredited)
Marissa Mathes
Brunette(uncredited)
Jim Michael
Harry Rose
Bartender(uncredited)
Jerry Rush
Man at Unemployment Office(uncredited)
Jeffrey Sayre
John Stevens
Bank Teller(uncredited)
Arthur Tovey
Restaurant Patron(uncredited)