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