Goofs

During the knife-throwing act, the number of knives that Rene is holding in his left hand increases and decreases between cuts in an inconsistent manner.

Although set in turn-of-the-century Paris, there's a scene in the movie, when the police inspector and Paul Dupin visit the fair to watch the acrobats at work, where you can see the famous Warner Studios water tower in the background for a brief moment.

The opening scene features colored latex balloons, which didn't appear until the 1930's, several years after the setting of the film.

This story is set in Paris, France, which means that all signs and printed material should be in French; however, there are several signs in the English language, such as UNIVERSITY OF PARIS.

When Sultan is holding Jeanette in the tree, he goes from holding her over his shoulder to under his arm three times within a minute.