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 Erika ElfertMakeup Artist Alheid LuppCostume Designer Fanny WesslingAssistant Director Derek WhitehurstProduction Manager Susan SchulteSupervising Producer 
