Desc: The Floating Dutchman: Directed by Vernon Sewell. With Dermot Walsh, Sydney Tafler, Mary Germaine, Guy Verney. In England, two men working on the docks close to London's Tower Bridge find the dead body of a man floating in the River Thames. They call the local police who later identify the body to be that of a diamond courier from Holland. The police have to find his murderer, as well as the missing diamonds he was carrying.