Basil Rathbone
Sherlock Holmes
Lionel Atwill
Professor Moriarty
William Post Jr.
Dr. Franz Tobel
Kaaren Verne
Charlotte Eberli
Dennis Hoey
Inspector Lestrade
Holmes Herbert
Sir Reginald
Harry Cording
Jack Brady (uncredited)
Harold De Becker
Peg Leg (uncredited)
Paul Fix
Mueller (uncredited)
Henry Victor
Professor Frederic Hoffner (uncredited)
John Burton
RAF Officer (uncredited)
Paul Bryar
Swiss Waiter (uncredited)
Whit Bissell
London Bobbie (uncredited)
Rudolph Anders
Braun (uncredited)
Colin Kenny
Scotland Yard Detective (uncredited)
George Burr Macannan
Gottfried (uncredited)
Harry Woods
Kurt (uncredited)
