
A rich man bequeaths seven keys to seven of his friends, but only one will unlock the door to untold wealth.
Heinz DracheInspector Dick Martin
Eddi ArentAssistant Detective Holmes
Sabine SesselmannSybil Lansdown
Pinkas BraunDr. Antonio Staletti
Hans NielsenLawyer Warren D. Haveloc
Gisela UhlenEmily Cody
Werner PetersBertram Cody
Klaus KinskiPheeny
Siegfried SchürenbergSir John
Jan HendriksTom Cawler
Ady BerberGiacco
Friedrich JoloffJanitor BurtArthur SchilskyPeter Livingston
Eva EbnerAnsagerin am Flughafen (voice)
Alfred VohrerAnsager am Flughafen (voice) / Schaulustiger / Sanitäter (voice)