as Capt. Horatio Hornblower R.N

as Lady Barbara Wellesley

as Lt. William Bush

as Lt. Crystal

as 2nd Lt. Gerard

as Midshipman Longley

as Seaman Quist

as RAdm. Sir Rodney Leighton

as Polwheal (Hornblower's Batman)

as Surgeon Gundarson

as Mr. Harrison (Bosun)

as Hernandez

as El Supremo (Don Julian Alvarado)

as Spanish Captain

as Capt. Entenza

as Col. Caillard - POW Escort

as French Commandant

as Hebe (Lady Barbara's Maid)

as Mrs. McPhee (Hornblower's Housekeeper)

as Adm. Lord Hood

as Adm. McCartney

as Crewman (uncredited)

as Capt. Elliott (uncredited)

as French Guard (uncredited)

as Crewman (uncredited)

as "Witch of Endor" French Mate (uncredited)

as Maria Hornblower (voice) (uncredited)

as "Lydia" Seaman (uncredited)

as Spanish Officer (uncredited)

as Crewman (uncredited)

as Seaman (uncredited)

as Lt. Woodford (uncredited)

as French Corvette Captain (uncredited)

as Crewman (uncredited)

as Macrae (uncredited)