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.

Directed by: Roy William Neill
Written by: Bertram Millhauser & Lynn Riggs
Runtime: 71 minutes
Tagline: The Mystery Master in America!
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Cast:
Basil Rathbone Basil Rathbone
Sherlock Holmes 
Nigel Bruce Nigel Bruce
Doctor Watson 
Marjorie Lord Marjorie Lord
Nancy Partridge 
Henry Daniell Henry Daniell
William Easter 
George Zucco George Zucco
Heinrich Hinckel aka Richard Stanley 
John Archer John Archer
Naval Lt. Pete Merriam