Professor Robert Leaf
Kenneth 'Kenny' Taylor
Vina Leaf
Pandora 'Panny' Leaf
Erasmus 'Ras' Leaf (as Billy Mumy)
Peregrine Upjohn
Doctor Volker
George
Dean Sawyer
Terry - George's Wife
Unemployment Office Clerk
Cliff Argyle - the Bookie
Police Lt. Rink
Von Schlogg
Miss Eva - Ras' Teacher
Bank Manager
Mrs. Wo - Dress Shop Sales Lady
Paris Taxi Driver
The Captain
Reporter (uncredited)
Self (uncredited)
Orville (uncredited)
Student at Leaf Rally (uncredited)
Professor Burns (uncredited)
Student (uncredited)
Blonde Doll (Upjohn's Girl) (uncredited)
Racetrack Ticket Seller (uncredited)
Elderly Pedestrian on Campus (uncredited)
T-Man (uncredited)
Kraft - Man at Computer Lab (uncredited)
Racetrack Cashier (uncredited)
Woman at Unemployment Office (uncredited)
Nunnally (uncredited)
Operator (uncredited)
Racetrack Patron (uncredited)
Saleslady (uncredited)
Eugenia Clove (uncredited)
Racetrack Announcer (uncredited)
Mr. Rudy - the Mailman (uncredited)
Brunette (uncredited)
Bartender (uncredited)
Man at Unemployment Office (uncredited)
Bank Teller (uncredited)
Restaurant Patron (uncredited)