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.
Elenco:
Basil Rathbone
,
Nigel Bruce
,
Marjorie Riordan
,
Rosalind Ivan
,
Morton Lowry
,
Leslie Vincent
,
Martin Kosleck
,
Rex Evans
,
John Abbott
,
Gerald Hamer
,
William 'Wee Willie' Davis
,
Frederick Worlock
,
Tom Dillon
.
