Character mistake: The German dialogue between the ringmaster and the knife-thrower makes sense, but the words are spoken in a very awful way - hardly learned by heart and so wrongly pronounced, No German talks like that. (00:20:47 - 00:21:09)
Plot hole: After Sabrina and Tarloff have finished their rehearsal, Kris is able to pick the real sword with no hesitation. There are still six swords left in the basket (one is real, five are fake). They all look the same, so how could Kris know the exact position of the real one? (00:43:30)
Answer: No, Charlie's face was never fully seen. In addition, Charlie was voiced by John Forsythe and he never even came to the set. Whenever we do see Charlie, it's a body double and not Forsythe.
Bishop73