Overview
The inventor Sir Claude Amery wants to give the thief of the formula for his latest invention the chance to return it in the dark without being recognized. He gathers everyone in the house in the library and has the lights switched off for a short time. When the light comes back on, Amery is dead. A case for the Belgian master detective Hercule Poirot.
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Top Billed Cast
Horst Bollmann
Hercule Poirot
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Heinz Fabian
Dr. Graham
Ernst Fritz Fürbringer
Lord Amery
Käthe Haack
Caroline
Gert Haucke
Inspec. Japp
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Otto Kurth
Butler
Anita Lochner
Barbara
Ulli Philipp
Lucia
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Jochen Schmidt
Richard
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Jochen Sostmann
Cap. Hastings
Friedrich von Thun
Raynor
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Herbert Weicker
Dr. Carelli
