Acting Lieutenant Hornblower and his crew are captured by the enemy while escorting a Duchess who has secrets of her own.
as Horatio Hornblower
as Captain Pellew
as Duchess of Wharfedale
as Midshipman Hunter
as Don Massaredo
as Kennedy
as Lieutenant Bracegirdle
as Sir Hugh Dalrymple
as Matthews
as Styles
as Oldroyd
as Etienne de Vergasse
as Spanish Lieutenant
as Captain Joubert
as Master Bowles