Reportedly, during its premiere at the Paramount Theater in Hollywood, audiences threw their free souvenir soundtracks at the screen, causing extensive damage.
Catherine Mary Stewart learned the music and was working with a vocal coach who was confident she could perform the songs. The producers, however, got cold feet, hired professional singer Mary Hylan to record the songs, and made Stewart lip-sync to Hylan's recordings. Decades later Stewart commented, "She was wonderful and I'm thrilled that I had her voice attached to my face, so it's all good in the end." Stewart later had the opportunity to do her own singing in Scenes from the Goldmine.
Mr. Boogalow sings the line, 'The world is nothing but a big Casino Royale.' Vladek Sheybal, who plays Mr. Boogalow, actually appeared in the film Casino Royale as Le Chiffre's Auctioneer. Sheybal also appeared in another James Bond movie, From Russia with Love.
The film's "The Apple" title refers to the movie's Biblical allegory of the story of Adam and Eve, the characters instead being called Alphie and Bibi.
A large number of the extras and background artists appearing in this musical were cast from the American High School in Berlin. They were reportedly paid about 50 marks per day.