Trivia: The front and back of the von Trapp house are actually two different houses. Also, the gazebo (which belongs to the house used for the back shots) is across a river from the house. You can take the Sound of Music tour in Salzburg.
Trivia: Not a mistake, just a fact. Exactly 2,357 pies were used in the big pie fight.
Trivia: At many points in the movie, the music playing in the background are slightly different versions of the song "A Hard Day's Night." This was the title track from the Beatles previous movie.
Trivia: Len Deighton, the author of the original novel, also published a series of cookery books and wrote and drew a weekly strip cartoon-style illustrated cooking guide in London's The Observer newspaper - titled 'Len Deighton's Cookstrip'. In the first kitchen scene, where Harry Palmer is making coffee, you can see one of these strips is pinned to the wooden post next to the table.
Trivia: This movie marked the return of John Wayne to work after having a cancerous lung removed nearly 18 months before. He insisted on doing all his own stunts to show the public that the illness hadn't slowed him down.
Trivia: In the beginning of the movie there is a reference to a Frenchman who had crossed the Channel by plane in the previous year (1909). The man meant is Louis Blériot, who flew from Calais to Dover in his famous craft 'Blériot XI' in 37 minutes. Again it was a competition race, for a 1000 Pounds set by the London Daily Mail.
Trivia: Geraldine Chaplin, the actress who plays Dr. Zhivago's wife, is the daughter of the silent film actor, Charlie Chaplin. Her maternal grandfather was famed playwright Eugene O'Neill.
Trivia: Robert Shaw's character is based on Kampfgruppe Jochim Peiper of 1st SS Leibstandart Adolph Hitler, Panzer Division. Peiper was a ruthless but extremely effective officer who had learnt his trade in death on the Russian front. Peiper survived the battle and the war and although he was initially sentenced to death for his part in the Malmedy massacre his sentence was commuted. He was killed in France in 1976 when his house was firebombed in a revenge attack.
Trivia: The plane which is shown flying at the end of the movie was actually built and flown for the movie. The stunt pilot Paul Mantz was killed while flying it for the movie, which is why the plane is not shown landing in the movie's final scene.
Trivia: The ship used for the exterior close-up scenes was the Royal Navy frigate HMS Wizard. Some of the crew were used as extras in the film.
Trivia: This particular biblical epic proved to be so expensive to make and did so badly at the box office, the film company went bankrupt.
Trivia: The 'whistling' heard in the background before the opening credits is that of the director Sergio Leone.
Trivia: The voice of the mysterious host U.N. Owen is an uncredited Christopher Lee. (00:15:20)
Trivia: When all of the characters are together in Peter O'Toole's hotel room towards the end of the film, Peter Sellers exclaims that Ursula Andress is a "personal friend of James Bond!", in reference to her performance in the first Bond film, Dr. No (1962). This was an ad-lib by Sellers, and Andress visibly cracks up before the shot cuts away.
Trivia: This was the first of seven horror anthologies that Peter Cushing (who plays Dr. Terror) appeared in. The others were "Torture Garden" in 1967, "The House That Dripped Blood" in 1971, "Tales From The Crypt" and "Asylum" (both in 1972), "From Beyond The Grave" in 1974 and "The Uncanny" in 1977.
Trivia: The film was made in 1965 and Natalie Wood was born in 1938; she was 27 when she made the film, playing a girl that aged from 13 to 17.