Sherlock Holmes in Washington

Holmes Herbert as Mr. Ahrens Thurston Hall as Sen. Henry Babcock Basil Rathbone as Sherlock Holmes George Zucco as Heinrich Hinckel aka Richard Stanley Mary Gordon as Mrs. Hudson Bradley Page as Cady Gerald Hamer as Alfred Pettibone Gilbert Emery as Sir Henry Marchmont (uncredited) Margaret Seddon as Miss Pringle (uncredited) Henry Daniell as William Easter John Archer as Naval Lt. Pete Merriam Gavin Muir as Mr. Lang, government agent Ian Wolfe as Antiques Store Sales Clerk Colin Kenny as Hotel Doorman (uncredited) Nigel Bruce as Doctor Watson Marjorie Lord as Nancy Partridge Don Terry as Howe Caroline Frances Cooke as Mrs. Ruxton Edmund MacDonald as Detective Lt. Grogan Clarence Muse as George Mary Forbes as Mrs. Pettibone

Roy William Neill Director, Producer Arthur Conan Doyle Characters Frank Skinner Music