A timid, nearsighted chemistry teacher discovers a magical potion that can transform him into a suave and handsome Romeo. The Jekyll and Hyde game works well enough until the concoction starts to wear off at the most embarrassing times.
Jerry Lewis
Professor Julius F. Kelp / Buddy Love / Baby Kelp
Stella Stevens
Stella Purdy
Del Moore
Dr. Hamius R. Warfield
Henry Gibson
Gibson, College Student
Kathleen Freeman
Millie Lemmon
Richard Kiel
Man in Gym (uncredited)
Norman Alden
Football Player
Howard Morris
Mr. Elmer Kelp
Elvia Allman
Edwina Kelp
Milton Frome
Dr. M. Sheppard Leevee
Doodles Weaver
Rube
Murray Alper
Gym Attendant (uncredited)
Buddy Lester
Bartender
Med Flory
Seymour Cassel
Bored Man
Stephanie Hill
Waitress (uncredited)
Marvin Kaplan
English Student
Skip Ward
Billy Bletcher
Plumber (uncredited)
Robert Donner
College Student (uncredited)
Art Gilmore
Narrator (voice) (uncredited)
Director
Writer
Bill Richmond
Ernest D. Glucksman
Producer
Walter Scharf
Original Music Composer
John Woodcock
Editor
Edward R. Morse
Casting
Hal Pereira
Art Direction
Robert R. Benton
Set Decoration
W. Wallace Kelley
Director of Photography
James Grant
Assistant Camera
Ralph Axness
Assistant Director
Edith Head
Costume Design
Sy Devore
Wardrobe Designer
Murray Young
Key Grip
Arthur P. Schmidt
Associate Producer
Walter H. Tyler
Sam Comer
Jack Stone
Makeup Artist
Paul K. Lerpae
Special Effects
Wally Westmore
Makeup Supervisor
Nellie Manley
Hair Supervisor
Dorothy Yutzi
Script Supervisor
Martin Pendleton
Property Master
Marvin Weldon
Dialogue Coach
Hugo Grenzbach
Sound Recordist
Charles Grenzbach
William Davidson
Production Manager
Hal Bell
Assistant Production Manager
Marshall Katz
Producer's Assistant
Robert Louis Stevenson
Original Story
