Trivia: In 2010, on the 50th anniversary of the release of the film a reunion was held at The Alamo Village. Of the main actors only 6 of them were still alive. 69 year old Frankie Avalon was there and five defectors were there with Mrs John Wayne. Richard Widmark (Jim Bowie) had died in 2008.
Trivia: When he was president, John F. Kennedy wanted to see this film so much he went to it in a local cinema wearing a disguise.
Trivia: Esmond P. Knight, the actor who portrayed Captain Leach of the battleship "Prince of Wales" was a crew member on the ship during the real battle where he was badly injured, suffering a period of blindness.