 Spencer TracyKarl Decker | Karl Decker |
 Hedy LamarrGeorgi Gragore | Georgi Gragore |
 Verree TeasdaleMadame Marcesca | Madame Marcesca |
 Kent TaylorPhil Mayberry | Phil Mayberry |
 Laraine DayLinda Rodgers | Linda Rodgers |
 Mona BarrieSandra Mayberry | Sandra Mayberry |
 Jack CarsonJoe | Joe |
 Paul CavanaghBill Rodgers | Bill Rodgers |
 Louis CalhernDr. Martin Sumner Duveen | Dr. Martin Sumner Duveen |
 Frances DrakeLola Estermont | Lola Estermont |
 Marjorie MainGertie | Gertie |
 George E. StoneSid | Sid |
 Willie BestSambo | Sambo |
 Don CastleTed Fenton | Ted Fenton |
 Dalies FrantzJoe Barnes | Joe Barnes |
 Reed HadleyBob Hampton | Bob Hampton |
| LLowden AdamsPhil's Butler (uncredited) | Phil's Butler (uncredited) |
 King BaggotMan in Subway (uncredited) | Man in Subway (uncredited) |
| PPolly BaileyMrs. Glutz - Woman in Clinic (uncredited) | Mrs. Glutz - Woman in Clinic (uncredited) |
| AArthur BelascoMinor Role (uncredited) | Minor Role (uncredited) |
 Leon BelascoPancho (uncredited) | Pancho (uncredited) |
| JJoe BordeauxMan in Clinic (uncredited) | Man in Clinic (uncredited) |
| RRalph BrooksNight Club Dance Extra (uncredited) | Night Club Dance Extra (uncredited) |
 Charles D. BrownPolice Lieutenant (uncredited) | Police Lieutenant (uncredited) |
 Jack ChefeWaiter (uncredited) | Waiter (uncredited) |
 David ClydeShip Steward (uncredited) | Ship Steward (uncredited) |
 Tom CollinsIntern Harry (uncredited) | Intern Harry (uncredited) |
 Nell CraigNurse on Ship (uncredited) | Nurse on Ship (uncredited) |
 Richard CramerMan with Packages in Subway (uncredited) | Man with Packages in Subway (uncredited) |
 Rosina GalliClinic Woman Who Lost Her Baby (uncredited) | Clinic Woman Who Lost Her Baby (uncredited) |
