Harald LeipnitzScotland-Yard-Inspektor Harry Dawson Herbert FleischmannChefinspektor Yardley Rosemarie FendelMary Rogers Michael HinzHubert Rogers Margot HielscherSybill Conway Karl-Heinz VosgerauArnold Conway Beatrice RichterLinda Wade Klaus WildbolzPeter Newton Wolfgang LukschyTom Dawson Gunnar MöllerInspector Tim Everson Francis DurbridgeSchrijver Gunther MalzacherProducer Karl SchneiderProduction Design Alheid LuppCostume Designer Erika ElfertMakeup Artist Fanny WesslingAssistant Director Susan SchulteSupervising Producer Derek WhitehurstProduction Manager 
