Basil Rathbone
Sherlock Holmes
Acting
Nigel Bruce
Dr. John H. Watson
Acting
Gale Sondergaard
Adrea Spedding
Acting
Dennis Hoey
Insp. Lestrade
Acting
Vernon Downing
Norman Locke
Acting
Arthur Hohl
Adam Gilflower
Acting
Mary Gordon
Mrs. Hudson
Acting
Teddy Infuhr
Larry (uncredited)
Acting
Donald Stuart
Artie - Shooting Gallery Attendant (uncredited)
Acting
Harry Cording
Fred Garvin (uncredited)
Acting
Belle Mitchell
Fortune Teller (uncredited)
Acting
Angelo Rossitto
Obongo - Pygmy (uncredited)
Acting
Sylvia Andrew
Charwoman (uncredited)
Acting
Marie De Becker
Charwoman (uncredited)
Acting
Jimmy Aubrey
News Vendor (uncredited)
Acting
Brandon Beach
Carnival Patron (uncredited)
Acting
Frank Benson
Toy Doll Attendant (uncredited)
Acting
Lydia Bilbrook
Susan (uncredited)
Acting
John Burton
Radio Announcer (uncredited)
Acting
James Carlisle
Casino Patron (uncredited)
Acting
Jack Deery
Casino Patron (uncredited)
Acting
George Kirby
News Vendor (uncredited)
Acting
Stanley Logan
Robert (uncredited)
Acting
Wilbur Mack
Casino Patron (uncredited)
Acting
Edmund Mortimer
Casino Patron (uncredited)
Acting
William H. O'Brien
Doorman (uncredited)
Acting
John Roche
Casino Croupier (uncredited)
Acting
Gene Roth
Henchman Taylor (uncredited)
Acting
Arthur Stenning
Plainclothesman (uncredited)
Acting
Florence Wix
Casino Patron (uncredited)
Acting
Herschel Graham
Casino Patron (uncredited)
Acting
Ethelreda Leopold
Casino Patron (uncredited)
Acting