Professor Julius F. Kelp / Buddy Love / Baby Kelp

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)

Narrator (voice) (uncredited)