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
as Professor Julius F. Kelp / Buddy Love / Baby Kelp
Stella Stevens
as Stella Purdy
Del Moore
as Dr. Hamius R. Warfield
Henry Gibson
as Gibson, College Student
Kathleen Freeman
as Millie Lemmon
Richard Kiel
as Man in Gym (uncredited)
Norman Alden
as Football Player
Howard Morris
as Mr. Elmer Kelp
Elvia Allman
as Edwina Kelp
Milton Frome
as Dr. M. Sheppard Leevee
Doodles Weaver
as Rube
Murray Alper
as Gym Attendant (uncredited)
