Sherlock Holmes
Basil Rathbone
Dr. John H. Watson
Nigel Bruce
Mrs. Shallcross (uncredited)
Janet Murdoch
Alf Shallcross (uncredited)
Gerald Hamer
Senior Conductor (uncredited)
Leyland Hodgson
Mock the Undertaker (uncredited)
Harry Cording
Baggage Car Guard (uncredited)
Charles Knight
"Inspector MacDonald" (uncredited)
Boyd Davis
Mock Jr. (uncredited)
Bobby Wissler
Dining Car Steward (uncredited)
Gilbert Allen
Elderly gentleman on train station (uncredited)
C. Aubrey Smith
Major Duncan-Bleek
Alan Mowbray
Inspector Lestrade
Dennis Hoey
Vivian Vedder
Renee Godfrey
Prof. William Kilbane
Frederick Worlock
Lady Margaret Carstairs
Mary Forbes
Sands - Moran's Accomplice
Skelton Knaggs
Conductor Taking Tickets
Billy Bevan
Roland Carstairs
Geoffrey Steele
Novel
Arthur Conan Doyle
Makeup Department Head
Jack Pierce
Director
Roy William Neill
Producer
Screenplay
Frank Gruber
Sound Director
Bernard B. Brown
Set Decoration
Carl Lawrence
Editor
Saul A. Goodkind
Director of Photography
Maury Gertsman
Art Direction
John B. Goodman
Executive Producer
Howard Benedict
Music Director
Milton Rosen
Abraham Grossman
Russell A. Gausman
Costume Design
Vera West
Hairstylist
Carmen Dirigo
Dialogue Coach
Raymond Kessler
Assistant Director
Melville Shyer
Sound Engineer
Jack A. Bolger, Jr.