Jerry Lewis
Professor Julius F. Kelp / Buddy Love / Baby Kelp / Director / Writer
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.
Professor Julius F. Kelp / Buddy Love / Baby Kelp / Director / Writer
Stella Purdy
Dr. Hamius R. Warfield
Gibson, College Student
Millie Lemmon
Man in Gym (uncredited)
Football Player
Mr. Elmer Kelp
Edwina Kelp
Dr. M. Sheppard Leevee
Rube
Gym Attendant (uncredited)
Bartender
Football Player
Bored Man
Waitress (uncredited)
English Student
Football Player
Plumber (uncredited)
College Student (uncredited)
Director
