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.
Rated NR | Length 65 minutes
Nigel Bruce | Basil Rathbone | Frederick Worlock | Rex Evans | John Abbott | Martin Kosleck | Olaf Hytten | Gordon Jackson | Rosalind Ivan | William 'Wee Willie' Davis | Marjorie Riordan | Morton Lowry | Tom Dillon | Gerald Hamer | Leslie Vincent | James Carlisle