A rich man bequeaths seven keys to seven of his friends, but only one will unlock the door to untold wealth.
Heinz Drache | Inspektor Dick Martin |
Sabine Sesselmann | Sybil Lansdown |
Pinkas Braun | Dr. Antonio Staletti |
Hans Nielsen | Rechtsanwalt Warren D. Haveloc |
Gisela Uhlen | Emily Cody |
Werner Peters | Bertram Cody |
Eddi Arent | Kriminalassistent Holmes |
Klaus Kinski | Pheeny |
Siegfried Schürenberg | Sir John |
Jan Hendriks | Tom Cawler |
Ady Berber | Giacco |
Friedrich Joloff | Hausmeister Burt |