Random Trivia For This Title:
- [?] Ron Moody and Peter Ustinov were considered for the role of Mr. Browne before David Tomlinson was cast. Moody refused to do the film unless he was billed first, which the studio would not allow.
- HIDDEN MICKEY: In the establishing shot of the animated soccer game, a bear wearing a Mickey Mouse T-shirt can be spotted in the crowd on the right side of the picture.
- The only non-European cast member is Sam Jaffe, who was born in New York.
- This is the last feature film that longtime Disney studio songwriters Richard M. Sherman and Robert B. Sherman wrote songs for until The Tigger Movie, although they briefly returned in the early 1980s to write songs for EPCOT Center.
- The song The Beautiful Briny Sea was originally written for a sequence in Mary Poppins (1964) that was ultimately dropped.
- While the name of the King of Naboombu is only called Leo in the film, official merchandise guidebooks give his full name as "King Leonidas" (a named derived from lion) after the Spartan king who died at the Battle of Thermopylae in 480 B.C.
- Angela Lansbury hated what she called "by the numbers" acting in this film. Due to the heavy special effects, the entire film had to be storyboarded in advance, shot for shot. Lansbury found this approach constraining to her performance, as it meant every moment was pre-determined and the actress wasn't free to explore the character naturally.
- Many people in the film, both on and off screen, have actual connections to WWII. Angela Lansbury, Roddy McDowall and Robert Stevenson all emigrated to the US from the UK due to the outbreak of war, while David Tomlinson served as a Flight Lieutenant in the Royal Air Force and Robert B. Sherman served in the United States Army and was one of the first Allied soldiers to see the Dachau concentration camp. He used his time recuperating from a gunshot wound to the knee to learn about the English people and their culture. On the other side, Manfred Lating and [?] Fred Hellmich were native-born Germans who had actually lived under Nazi rule.
- While Julie Andrews initially turned down the role of Miss Price, she eventually reconsidered, believing she owed her film career to the Disney studio and wanting to work there again. However, when she told the studio she changed her mind, Angela Lansbury had already accepted the part, having signed her contract for the role on Halloween of 1969.
- This was the last Disney-branded film to receive an Academy Award until The Little Mermaid, though others received nominations and two Touchstone films, The Color of Money and Who Framed Roger Rabbit, received awards before that.
- Roddy McDowall's the third in the cast list, but he appears less than 10 minutes in the film.
- Julie Andrews, [?] Leslie Caron, Lynn Redgrave, and [?] Judy Carne were considered for the role of Miss Price before Angela Lansbury was cast.