Sherlock Holmes in Washington

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

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