
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.

as Sherlock Holmes

as Doctor Watson

as Nancy Partridge

as William Easter

as Heinrich Hinckel aka Richard Stanley

as Naval Lt. Pete Merriam

as Mr. Lang, government agent

as Detective Lt. Grogan

as Howe

as Mrs. Hudson

as Cady

as George

as Mrs. Pettibone

as Mr. Ahrens

as Sen. Henry Babcock

as Antiques Store Sales Clerk

as Army Inspector (uncredited)

as Alfred Pettibone

as Sir Henry Marchmont (uncredited)

as Miss Pringle (uncredited)

as Party Pianist (uncredited)

as Hotel Doorman (uncredited)

as Mrs. Ruxton