Pursuit to Algiers (1945)

Director: Roy William Neill
Cast: Basil Rathbone, Leslie Vincent, Marjorie Riordan, Martin Kosleck, Morton Lowry, Nigel Bruce, Rex Evans, Rosalind Ivan

Synopsis:

After the King of Ruthenia 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.