Melvyn Douglas

Jerome 'Jerry' Marvin

Ruth Hussey

Professor Susan Drake

Ellen Drew

Babe Marvin

Charles Coburn

Professor Drake

John Hubbard

Tom Drake

Harvey Stephens

Dr. Cassell

Theresa Harris

Hattie

Hooper Atchley

Ticket Man (uncredited)

Irving Bacon

Doorman (uncredited)