 Hans Christian BlechMörder Karlheinz Gabler | Mörder Karlheinz Gabler |
 Ernst WaldowKriminalkommissar Schwerdtfeger | Kriminalkommissar Schwerdtfeger |
 Paul BildtUntersuchungsrichter Konrat | Untersuchungsrichter Konrat |
 Karin EvansSabine Blum | Sabine Blum |
| AAlfred SchieskeKriminalkommissar Otto Bonte | Kriminalkommissar Otto Bonte |
 Kurt EhrhardtDr. Jakob Blum | Dr. Jakob Blum |
 Gisela TroweChristina Burman | Christina Burman |
 Arno PaulsenWilhelm Platzer | Wilhelm Platzer |
 Herbert HübnerLandgerichtsdirektor Hecht | Landgerichtsdirektor Hecht |
 Blandine EbingerLucie Schmerschneider | Lucie Schmerschneider |
 Gerhard BienertKarl Bremer | Karl Bremer |
 Werner PetersEgon Konrad | Egon Konrad |
 Renée StobrawaFrau Bremer | Frau Bremer |
| EEmmy BurgTherese | Therese |
 Reinhard KolldehoffTischbein | Tischbein |
| HHelmuth RudolphNot listed | Not listed |
| HHugo KalthoffNot listed | Not listed |
 Maly DelschaftNot listed | Not listed |
 Friedrich MaurerNot listed | Not listed |
| KKlaus BeckerNot listed | Not listed |
| HHilde AdolphiNot listed | Not listed |
| JJean BrahnNot listed | Not listed |
| AAlbert VenohrNot listed | Not listed |
| GGertrud BollNot listed | Not listed |
| OOtto MatthiesNot listed | Not listed |
| HHerbert MalsbenderNot listed | Not listed |
 Margarete SchönNot listed | Not listed |
| AArthur SchröderNot listed | Not listed |
| LLilli SchoenbornNot listed | Not listed |
| MMargarete SalbachNot listed | Not listed |
