"The Mystery Master in America!"
In World War II, a British secret agent carrying a vitally important document is kidnapped en route to Washington. The British government calls on Sherlock Holmes to recover it.
Some links on this page are affiliate links. We may earn a commission on purchases made through them, at no extra cost to you. Learn more.
Basil Rathbone
Sherlock Holmes
Nigel Bruce
Doctor Watson
Marjorie Lord
Nancy Partridge
Henry Daniell
William Easter
George Zucco
Heinrich Hinckel aka Richard Stanley
John Archer
Naval Lt. Pete Merriam
Gavin Muir
Mr. Lang, government agent
Edmund MacDonald
Detective Lt. Grogan
Don Terry
Howe
Mary Gordon
Mrs. Hudson