Mystery Crime Thriller Adventure Romance
After the King of Rovenia has been assassinated, Holmes and Watson are engaged to escort his son to Europe via Algiers, aboard a transatlantic ocean liner which also carries a number of suspicious persons, any of whom may be involved in a plot to also assassinate him.
Directed by
Roy William Neill
Nigel Bruce
Doctor Watson
Basil Rathbone
Sherlock Holmes
Gerald Hamer
Kingston
Marjorie Riordan
Sheila Woodbury
Gordon Jackson
Steward (uncredited)
Rosalind Ivan
Agatha Dunham
Rex Evans
Gregor
John Abbott
Jodri
Martin Kosleck
Mirko
Olaf Hytten
Stimson (uncredited)
Frederick Worlock
Prime Minister
William 'Wee Willie' Davis
Gubek
Tom Dillon
Matthias Cherney (uncredited)
Morton Lowry
Steward
Leslie Vincent
Nikolas Watson
James Carlisle
Aide (uncredited)

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