Basil Rathbone
Sherlock Holmes
Acting
Nigel Bruce
Dr. Watson
Acting
Ida Lupino
Ann Brandon
Acting
Alan Marshal
Jerrold Hunter
Acting
Terry Kilburn
Billy
Acting
George Zucco
Professor Moriarty
Acting
Henry Stephenson
Sir Ronald Ramsgate
Acting
E. E. Clive
Inspector Bristol
Acting
Arthur Hohl
Henchman Bassick
Acting
May Beatty
Mrs. Jameson, Brandon Housekeeper
Acting
Peter Willes
Lloyd Brandon
Acting
Mary Gordon
Mrs. Hudson
Acting
Holmes Herbert
Justice of the Court
Acting
George Regas
Henchman Mateo
Acting
Mary Forbes
Lady Conyngham
Acting
Frank Dawson
Dawes, Moriarty's servant
Acting
William Austin
Inquisitive Stranger
Acting
Anthony Kemble-Cooper
Tony Conyngham
Acting
Leonard Mudie
Barrows - Moriarty's Attorney (uncredited)
Acting
Robert Nobel
Foreman of the Jury (uncredited)
Acting
Ivan F. Simpson
Gates - Trial Prosecutor (uncredited)
Acting
Neil Fitzgerald
Clerk of the Court (uncredited)
Acting
Frank Baker
Tompkins (uncredited)
Acting
Denis Greene
Denis Green (uncredited)
Acting
Robert Cory
Tower Sentry (uncredited)
Acting
Gordon Hart
Guard (uncredited)
Acting
Keith Hitchcock
Constable (uncredited)
Acting
Ivo Henderson
Bobby (uncredited)
Acting
Leyland Hodgson
Bobby (uncredited)
Acting
Boyd Irwin
Bobby (uncredited)
Acting
Charles Irwin
Marine Sergeant (uncredited)
Acting
Robert R. Stephenson
Cabby (uncredited)
Acting
Harry Cording
Second Fake Constable (uncredited)
Acting
Eric Wilton
Conyngham Butler (uncredited)
Acting
Frank Benson
Cockney (uncredited)
Acting
Ted Billings
Pub Customer (uncredited)
Acting
Herbert Evans
Scotland Yard Man (uncredited)
Acting