Sir Henry Baskerville
Richard Greene
Sherlock Holmes
Basil Rathbone
London Cabbie John Clayton
E. E. Clive
Mrs. Barryman
Eily Malyon
The Coroner
Lionel Pape
The Notting Hill Murderer
Nigel De Brulier
Mrs. Hudson
Mary Gordon
Sir Charles Baskerville
Ian Maclaren
Betsy Ann
Ruth Terry
Betsy Ann's Mother (uncredited)
Mary Young
Ship's Officer (uncredited)
Kenneth Hunter
Ship's Steward (uncredited)
Vesey O'Davoren
Beryl Stapleton
Wendy Barrie
Ship's Porter (uncredited)
John Graham Spacey
Open Carriage Driver (uncredited)
David Thursby
Roderick
Peter Willes
Hugo's Servant (uncredited)
Leonard Carey
Chambermaid (uncredited)
Rita Page
(uncredited)
Jack Egger
Ship Passenger (uncredited)
Frank McLure
Brandon Beach
The Hound (as Chief)
Blitzen
James Carlisle
Doctor John H. Watson
Nigel Bruce
Herschel Graham
Dr. James Mortimer
Lionel Atwill
Barryman
John Carradine
Frankland
Barlowe Borland
Mrs. Jennifer Mortimer
Beryl Mercer
John 'Jack' Stapleton
Morton Lowry
Sir Hugo Baskerville
Ralph Forbes
Executive Producer
Darryl F. Zanuck
Director
Sidney Lanfield
Novel
Arthur Conan Doyle
Associate Producer
Gene Markey
Screenplay
Ernest Pascal
Editor
Robert L. Simpson
Art Direction
Richard Day
Hans Peters
Set Decoration
Thomas Little
Costume Design
Gwen Wakeling
Director of Photography
J. Peverell Marley