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.
Starring
Basil Rathbone, Nigel Bruce, Marjorie Riordan, Rosalind Ivan, Morton Lowry, Leslie Vincent, Martin Kosleck, Rex Evans, John Abbott, Gerald Hamer
Directed By
Roy William Neill
