Continuity mistake: Fred Astaire is at the airport at 10.30pm at night. He returns immediately to the location of the fashion show to be told that Audrey Hepburn has left. He runs out after her. However, in the next scene, the sun is shining when he arrives to find her at the church where an earlier scene was portrayed. The sunshine and shadows are almost identical to the earlier scene. (01:39:20 - 01:40:40)
Continuity mistake: When Maggie and Richard Avery leave Professor Flostre's room, she puts a beret onto a statue. About four minutes later, when Audrey runs out the room, the statue has disappeared.