
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]()
Marie De Becker
Charwoman (uncredited)
Acting

Jimmy Aubrey
News Vendor (uncredited)
Acting
![Brandon Beach]()
Brandon Beach
Carnival Patron (uncredited)
Acting
![Frank Benson]()
Frank Benson
Toy Doll Attendant (uncredited)
Acting

Lydia Bilbrook
Susan (uncredited)
Acting
![John Burton]()
John Burton
Radio Announcer (uncredited)
Acting
![James Carlisle]()
James Carlisle
Casino Patron (uncredited)
Acting
![Jack Deery]()
Jack Deery
Casino Patron (uncredited)
Acting
![George Kirby]()
George Kirby
News Vendor (uncredited)
Acting

Stanley Logan
Robert (uncredited)
Acting

Wilbur Mack
Casino Patron (uncredited)
Acting
![Edmund Mortimer]()
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]()
Arthur Stenning
Plainclothesman (uncredited)
Acting

Florence Wix
Casino Patron (uncredited)
Acting
![Herschel Graham]()
Herschel Graham
Casino Patron (uncredited)
Acting

Ethelreda Leopold
Casino Patron (uncredited)
Acting