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