When Germany invades Holland in 1940, a British intelligence officer and two Dutch diamond merchants go to Amsterdam to persuade the Dutch diamond merchants to evacuate their diamond supplies to England.
Peter Finch
Jan Smit
Eva Bartok
Anna
Tony Britton
Major Dillon
Alexander Knox
Walter Keyser
Malcolm Keen
Johan Smit
Christopher Rhodes
Alex
Alfred Burke
Dealer
Melvyn Hayes
Willem
