 William PowellThe Robber | The Robber |
 Kay FrancisBaroness Teri Hohenfels | Baroness Teri Hohenfels |
 Helen VinsonMarianne Horn | Marianne Horn |
 Hardie AlbrightPaul | Paul |
 Henry KolkerBaron Franz Hohenfels | Baron Franz Hohenfels |
 Spencer ChartersJohann Christian Lenz | Johann Christian Lenz |
 Lee KohlmarHollander | Hollander |
 André LuguetCount Andre | Count Andre |
 Clarence WilsonPrefect of Police | Prefect of Police |
 George DavisPolacheck, the President's Secretary (uncredited) | Polacheck, the President's Secretary (uncredited) |
 Ivan LinowChauffeur (uncredited) | Chauffeur (uncredited) |
 Alan MowbrayDetective Fritz | Detective Fritz |
 Charles ColemanCharles (uncredited) | Charles (uncredited) |
 Ruth DonnellyBerta, Teri's Maid (uncredited) | Berta, Teri's Maid (uncredited) |
 Lawrence GrantProfessor Bauman (uncredited) | Professor Bauman (uncredited) |
 Don BrodieRobber (uncredited) | Robber (uncredited) |
 Eddie KaneRobber (uncredited) | Robber (uncredited) |
 Leo WhiteAssistant Robber (uncredited) | Assistant Robber (uncredited) |
 Sheila TerryBlonde Decoy (uncredited) | Blonde Decoy (uncredited) |
 Jay EatonLeopold, Assistant Jewelry Manager (uncredited) | Leopold, Assistant Jewelry Manager (uncredited) |
 Harold MinjirJewelry Clerk (uncredited) | Jewelry Clerk (uncredited) |
 Jack ChefeJewelry Salesman (uncredited) | Jewelry Salesman (uncredited) |
 Harold WaldridgeJewelry Clerk (uncredited) | Jewelry Clerk (uncredited) |
| JJacques VanaireJewelry Manager (uncredited) | Jewelry Manager (uncredited) |
 Blanche PaysonMasseuse (uncredited) | Masseuse (uncredited) |
 Marie BurtonMaid (uncredited) | Maid (uncredited) |
| PPaula DeCardoMaid (uncredited) | Maid (uncredited) |
| SSheila DarcyMaid (uncredited) | Maid (uncredited) |
| AAlma RossMaid (uncredited) | Maid (uncredited) |
| NNorah GaleMaid (uncredited) | Maid (uncredited) |
