Captain Horatio Hornblower (a.k.a. Captain Horatio Hornblower R.N. in the UK, "R.N." standing for "Royal Navy") is a 1951 British-American naval swashbuckling war film in Technicolor from Warner Bros., produced by Gerry Mitchell, directed by Raoul Walsh, that stars Gregory Peck, Virginia Mayo, Robert Beatty and Terence Morgan.