Acting Lieutenant Hornblower and his crew are captured by the enemy while escorting a Duchess who has secrets of her own.
| Actor | Role |
|---|---|
 Ioan GruffuddHoratio Hornblower | Horatio Hornblower |
 Robert LindsayCaptain Pellew | Captain Pellew |
 Cherie LunghiDuchess of Wharfedale | Duchess of Wharfedale |
 Christopher FulfordMidshipman Hunter | Midshipman Hunter |
 Ronald PickupDon Massaredo | Don Massaredo |
 Jamie BamberKennedy | Kennedy |
 Jonathan CoyLieutenant Bracegirdle | Lieutenant Bracegirdle |
 John WoodvineSir Hugh Dalrymple | Sir Hugh Dalrymple |
 Paul CopleyMatthews | Matthews |
 Sean GilderStyles | Styles |
 Simon SherlockOldroyd | Oldroyd |
 Jean-Yves BertelootEtienne de Vergasse | Etienne de Vergasse |
| VVincent S. BoludaSpanish Lieutenant | Spanish Lieutenant |
| JJolyon BakerCaptain Joubert | Captain Joubert |
 Colin MacLachlanMaster Bowles | Master Bowles |