 Norma ShearerCountess Ruby von Treck | Countess Ruby von Treck |
 Robert TaylorMark Preysing | Mark Preysing |
 Conrad VeidtGeneral Kurt von Kolb | General Kurt von Kolb |
 Alla NazimovaEmmy Ritter | Emmy Ritter |
 Felix BressartFritz Keller | Fritz Keller |
 Albert BassermannDr. Arthur Henning | Dr. Arthur Henning |
 Philip DornDr. Ditten | Dr. Ditten |
 Edgar BarrierCommissioner | Commissioner |
 Bonita GranvilleUrsula | Ursula |
 Elsa BassermannMrs. Henning | Mrs. Henning |
 Blanche YurkaNurse | Nurse |
 Lisa GolmAnna | Anna |
| EEdit AngoldDitten's Housekeeper Hilda (uncredited) | Ditten's Housekeeper Hilda (uncredited) |
| WWalter BonnConcentration Camp Guard (uncredited) | Concentration Camp Guard (uncredited) |
| AAlbert D'ArnoElevator Operator (uncredited) | Elevator Operator (uncredited) |
 Helmut DantinePorter (uncredited) | Porter (uncredited) |
 Kay DeslysBeer Garden Waitress (uncredited) | Beer Garden Waitress (uncredited) |
 Ernst DeutschBaron von Reiber (uncredited) | Baron von Reiber (uncredited) |
| GGretl DupontHilda Keller (uncredited) | Hilda Keller (uncredited) |
 William EdmundsWhite Swan Inn Waiter (uncredited) | White Swan Inn Waiter (uncredited) |
 Christl EhlersStudent (uncredited) | Student (uncredited) |
| AArno FreyConcentration Camp Commandant (uncredited) | Concentration Camp Commandant (uncredited) |
| FFrederick GiermannPorter (uncredited) | Porter (uncredited) |
| HHans JobySecond Passport Official (uncredited) | Second Passport Official (uncredited) |
 Erwin KalserHotel Barkeeper (uncredited) | Hotel Barkeeper (uncredited) |
 Florine McKinneyStudent (uncredited) | Student (uncredited) |
 Adolph MilarSalesman (uncredited) | Salesman (uncredited) |
| MMarianne MosnerMaria a Student (uncredited) | Maria a Student (uncredited) |
| LLotte Palfi AndorRuby's Maid Julie (uncredited) | Ruby's Maid Julie (uncredited) |
| MMaria RayBaroness von Reiber (uncredited) | Baroness von Reiber (uncredited) |
