Characters played by Melvyn Douglas
Jerome 'Jerry' Marvin
Characters played by Ruth Hussey
Professor Susan Drake
Characters played by Ellen Drew
Babe Marvin
Characters played by Charles Coburn
Professor Drake
Characters played by John Hubbard
Tom Drake
Characters played by Harvey Stephens
Dr. Cassell
Characters played by Theresa Harris
Hattie
Characters played by Hooper Atchley
Ticket Man
Characters played by Irving Bacon
Doorman
Characters played by Brooks Benedict
Concert Attendee
Characters played by George Beranger
Waiter
Characters played by Edward Biby
Shipboard Passenger
Characters played by Betty Blythe
Shipboard Passenger
Characters played by Lloyd Bridges
Taxicab Driver
Characters played by Barbara Brown
Shipboard Passenger
Characters played by Hobart Cavanaugh
Shipboard Passenger
Characters played by Grace Darmond
Shipboard Passenger
Characters played by Thornton Edwards
Cuban Driver
Characters played by Bob Evans
Black Man
Characters played by Edward Fielding
Dr. Mandel
Characters played by Martin Garralaga
Cuban Driver
Characters played by Lawrence Grant
Dr. Holgarth
Characters played by Chuck Hamilton
Sailor
Characters played by Sam Harris
Concert Attendee
Characters played by John Holland
Steward
Characters played by Crauford Kent
Dr. Jenkins - Ship's Doctor
Characters played by Paul Lopez
Cuban Official
Characters played by George McKay
Steward
Characters played by Paul McVey
Shipboard Passenger
Characters played by John Merton
Officer
Characters played by Harold Miller
Shipboard Passenger
Characters played by Forbes Murray
Shipboard Passenger
Characters played by Pedro Regas
Cuban Driver
Characters played by Addison Richards
Middle-Aged Man in Jerry's Stateroom
Characters played by Cyril Ring
Shipboard Passenger
Characters played by Ronald R. Rondell
Shipboard Passenger
Characters played by Cosmo Sardo
Shipboard Passenger
Characters played by Larry Steers
Departing Shipboard Passenger
Characters played by Roland Varno
Steward
Characters played by Juan Varro
Cuban Driver
Characters played by Lloyd Whitlock
Customer
Characters played by Isabel Withers
Middle-Aged Woman in Jerry's Stateroom
Characters played by Frank Yaconelli
Hat Vender