Trivia: The number of the Berlin hotel room Bruno Stachel stays in the night before he is to be awarded the Blue Max is '22', which equals the number of planes he has shot down. He needed only 20 to win the award, but he had to shoot down two more in order to make up for Willy's kills that he claimed as his own earlier in the film.
Trivia: This movie was filmed back-to-back with Letters from Iwo Jima, a fictional account of the battle of Iwo Jima that looks at it from the Japanese soldier's perspective.
Trivia: Humphrey Bogart won his only Oscar for his performance as Charlie Allnut in this film.
Trivia: The Inn Of The Sixth Happiness tells the story of Gladys Aylward, an English missionary in China. The casting of Ingrid Bergman in the role was quite amazing, especially considering that Gladys Aylward was still alive at the time. Ingrid Bergman, who exuded glamour throughout the movie, was 5' 9" tall, had blonde hair and retained her native Swedish accent. Gladys Aylward was of rather plain appearance, stood a mere 4' 10" tall, had black hair and spoke with a cockney accent.
Trivia: Sir Alec Guinness won his only Oscar for his role as Colonel Nicholson in this movie.
Trivia: When the destroyer is bombed next to the mole, the shots of it sinking are of the corvette Compass Rose from The Cruel Sea.
Trivia: When Lance is thrown on the bar during the bar brawl, he yells the Wilhelm scream.
Trivia: The Chinese extras cast in this film were almost all Spanish residents, especially in Madrid. This was done to such an extreme extent that some Chinese restaurants and other Chinese-Spanish-owned businesses in the Madrid area especially were forced to close for a few days due to lack of personnel.
Trivia: Hitchcock's cameo comes twelve minutes into the movie - he can be seen wearing a hat and coat and reading a newspaper after Joel McCrea leaves the hotel.
Trivia: Lina Wertmuller became the first woman to be nominated for an Academy Award for Best Director with this film.
Trivia: The first Tom and Jerry cartoon to win an Academy Award for Best Animated Short Film.
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: Steve McQueen received his only Oscar nomination for his performance as Jake Holman in this film.
Trivia: When Daffy is saluting the portrait of General MacArthur, along the bottom of the painting you can read the artist's name: Cornett Wood. Wood was a layout artist for Warner Brothers.
Trivia: At the end of the film, when Katniss and Peeta are enjoying their life together, their two children are played by Jennifer Lawrence's real-life nephews Bear and Theodore.