A rich man bequeaths seven keys to seven of his friends, but only one will unlock the door to untold wealth.
Genres:
Heinz Drache as Inspector Dick Martin
Eddi Arent as Assistant Detective Holmes
Sabine Sesselmann as Sybil Lansdown
Pinkas Braun as Dr. Antonio Staletti
Hans Nielsen as Lawyer Warren D. Haveloc
Gisela Uhlen as Emily Cody
Werner Peters as Bertram Cody
Klaus Kinski as Pheeny
Siegfried Schürenberg as Sir John
Jan Hendriks as Tom Cawler
Ady Berber as Giacco
Friedrich Joloff as Janitor Burt
Arthur Schilsky as Peter Livingston
Eva Ebner as Ansagerin am Flughafen (voice)
Alfred Vohrer as Ansager am Flughafen (voice) / Schaulustiger / Sanitäter (voice)
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