Director/a
Roy William Neill
DIRECTOR/A
Reparto (por orden de créditos)
Basil Rathbone
Sherlock Holmes
Nigel Bruce
Dr. John H. Watson
Marjorie Riordan
Sheila Woodbury
Rosalind Ivan
Agatha Dunham
Morton Lowry
Sanford
Leslie Vincent
Nikolas Watson
Martin Kosleck
Mirko
Rex Evans
Gregor
John Abbott
Jodri
Gerald Hamer
Kingston
William 'Wee Willie' Davis
Gubec
Frederick Worlock
Prime Minister
Wilson Benge
Clergyman(uncredited)
Sven Hugo Borg
Johansson(uncredited)
Ernst Brengt
Ship Passenger(uncredited)
James Carlisle
Aide(uncredited)
Ashley Cowan
Steward(uncredited)
James Craven
Anton Petzval(uncredited)
Sayre Dearing
Tom Dillon
Matthias Cherney(uncredited)
John Dutra
Sailor steering Boat(uncredited)
Alan Edmiston
Man with Newspaper(uncredited)
Curt Furberg
Gregory Gaye
Ravez(uncredited)
Olaf Hytten
Stimson(uncredited)
Gordon Jackson
Dorothy Kellogg
Blonde Floozie at Bar(uncredited)
George Leigh
Reginald Dene(uncredited)
Eric Mayne
Pub Patron(uncredited)
Charles Millsfield
Sam Savitsky
Cap Somers
Dock Worker(uncredited)