Trivia: Although it lasts for only 45 seconds on screen, the stabbing scene in the shower took seven days to shoot and used 70 different camera angles.
Trivia: Steve McQueen, James Coburn, and Charles Bronson later starred together in another John Sturges movie, "The Great Escape."
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: In the video documenting the making of The Time Machine, Rod Taylor states that if you count the number of rivets on the spinning disk on the back of the machine, there are 365 of them (one for each day of the year). That said, there are actually only 348 pegs.
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: This was filmed in only two days.
Trivia: This film is loosely based on the Scopes Case, where in 1925, a Tennesee subsitute teacher was accused of violating a law that prohibits the teaching of Darwin's theory of evolution. This case pitted Christian fundamentalists (who rejected the theory of evolution as they felt it contradict their literal belief of the Bible) against supporters of evolution.
Trivia: During the emergency at the orphanage, the fireman shouting at Jimmy Bean over the railing is the film's director, David Swift. (00:25:10)
Trivia: When Charles Hawtrey gets out of bed and steps in his chamber pot it starts rolling around on the floor and he tells it to be quiet. He was not meant to say it, he just improvised.
Trivia: The Christmas party was really filmed just before Christmas, with almost all of it filmed in the first take as everyone was in the holiday spirit already. Director Billy Wilder said "I wish it were always this easy. Today, I can just shout 'action' and stand back."
Trivia: Robert Mitchum (born 1917) was only eleven years older than George Peppard (born 1928), who plays his son.
Trivia: Max von Sydow plays Birgitta Pettersson's father in this film. In real life, von Sydow (born 1929) is only ten years older than Pettersson (born 1939).
Trivia: When a rider is speared in the back by an Indian, he yells the Wilhelm scream.
Trivia: In the opening title card, you will notice there is no "Story" credit. Michael Maltese was the story writer, but as he had left Warner Brothers for Hanna-Barbera, his name was removed from the credits.
Trivia: Final Warner Brothers cartoon in which Arthur Q. Bryan voiced Elmer Fudd. The voice actor died in November 1959.
Trivia: Even though Roger Livesey plays Laurence Oliver's father in the movie, he was only a year older than Oliver.
Trivia: Although Lionel Jeffries and John Fraser play father and son in this film, Jeffries was only five years older than Fraser.
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.
Trivia: Kidnapped was Disney's only feature film to be released on MCA's ill-fated DiscoVision format. But the movie did launch a famous actor's career: His role as Alan Breck Stewart's bagpipe-playing kinsman, Robin MacGregor, was Peter O'Toole's film debut.