 Elisabeth MüllerFleur Blanchard | Fleur Blanchard |
 Peter van EyckKommissar Léon Ferrier | Kommissar Léon Ferrier |
 Fritz TillmannInspektor Steen | Inspektor Steen |
 Carl LangeAristide Coq, Buchhändler | Aristide Coq, Buchhändler |
 Günter PfitzmannPierre, Kriminalassistent | Pierre, Kriminalassistent |
 Inge MeyselDelphine, Fleurs Haushälterin | Delphine, Fleurs Haushälterin |
 Katharina MaybergMaja, malaisische Studentin | Maja, malaisische Studentin |
 Hans Zesch-BallotStaatsanwalt | Staatsanwalt |
 Richard MünchReverend Bennet | Reverend Bennet |
 Robert MeynChefinspektor Smith | Chefinspektor Smith |
| HHans StiebnerLung, chinesischer Steward | Lung, chinesischer Steward |
 Werner SchumacherNot listed | Not listed |
| MManfred SteffenNot listed | Not listed |
 Howard VernonNot listed | Not listed |
| HHeinz KlingenbergNot listed | Not listed |
| FFred RaulNot listed | Not listed |
| BBenno GellenbeckNot listed | Not listed |
 Friedrich SchütterPolizist | Polizist |
| HHermann KnerNot listed | Not listed |
 Günther JerschkeGendarm | Gendarm |
 Reiner BrönnekeNot listed | Not listed |
 Henry VahlMonsieur Renard (uncredited) | Monsieur Renard (uncredited) |
