Jerome "Jerry" Marvin

Melvyn Douglas

Professor Susan Drake

Ruth Hussey

Babe Marvin

Ellen Drew

Professor Drake

Charles Coburn

Tom Drake

John Hubbard

Dr. Cassell

Harvey Stephens

Hattie

Theresa Harris

Oliver Hardy

Ticket Man (uncredited)

Hooper Atchley

Stan Laurel

Doorman (uncredited)

Irving Bacon

Concert Attendee (uncredited)

Brooks Benedict

Shipboard Passenger (uncredited)

Hobart Cavanaugh

Waiter (uncredited)

George Beranger

Minor Role (uncredited)

Betty Blythe

Shipboard Passenger (uncredited)

Edward Bilby

Taxi Driver (uncredited)

Lloyd Bridges

Shipboard Passenger (uncredited)

Barbara Brown

Minor Role (uncredited)

Grace Darmond

Cuban Driver (uncredited)

Thornton Edwards

Black Man (uncredited)

Bob Evans

Dr. Mandel (uncredited)

Edward Fielding

Cuban Driver (uncredited)

Martín Garralaga

Dr. Holgarth (uncredited)

Lawrence Grant

Sailor (uncredited)

Chuck Hamilton

Concert Attendee (uncredited)

Sam Harris

Steward (uncredited)

John Holland

Shipboard Passenger (uncredited)

Arthur Stuart Hull

Dr. Jenkins - Ship's Doctor (uncredited)

Crauford Kent

Cuban Official (uncredited)

Paul Lopez

Steward (uncredited)

George McKay

Minor Role (uncredited)

Paul McVey

Officer (uncredited)

John Merton

Shipboard Passenger (uncredited)

Harold Miller

Minor Role (uncredited)

Forbes Murray

Cuban Driver (uncredited)

Pedro Regas

Middle-Aged Man in Jerry's Stateroom (uncredited)

Addison Richards

Shipboard Passenger (uncredited)

Cyril Ring

Shipboard Passenger (uncredited)

Ronald R. Rondell

Shipboard Passenger (uncredited)

Cosmo Sardo

Departing Shipboard Passenger (uncredited)

Larry Steers

Steward (uncredited)

Roland Varno

Cuban Driver (uncredited)

Juan Varro

Customer (uncredited)

Lloyd Whitlock

Middle-Aged Woman in Jerry's Stateroom (uncredited)

Isabel Withers

Hat Vender (uncredited)

Frank Yaconelli

Edward Biby