Jerome 'Jerry' Marvin

Professor Susan Drake

Babe Marvin

Professor Drake

Tom Drake

Dr. Cassell

Hattie

Ticket Man (uncredited)

Doorman (uncredited)

Concert Attendee (uncredited)

Waiter (uncredited)

Minor Role (uncredited)

Taxi Driver (uncredited)

Shipboard Passenger (uncredited)

Shipboard Passenger (uncredited)

Minor Role (uncredited)

Cuban Driver (uncredited)

Black Man (uncredited)

Dr. Mandel (uncredited)

Cuban Driver (uncredited)

Dr. Holgarth (uncredited)

Sailor (uncredited)

Concert Attendee (uncredited)

Shipboard Passenger (uncredited)

Dr. Jenkins - Ship's Doctor (uncredited)