Audio problem: Since his piano rendition of the Ten Little Indians was appreciated by just 1/9 of the audience, Raven (Charles Aznavour) decides to perform one of Charles Aznavour's hits. It gets a much better reception from the audience, but it's no surprise, since everyone must be in awe of the fact that playing the song on the piano he managed to get also the accompanying sound of drums. (00:15:00)
Audio problem: When Mr. Owen does a shot of billiards as he starts to explain the evil plan, there are just two balls left in total (the cue ball and an object ball). The shot happens off-camera, but the sound dubbed in implies that one of the balls clashed with a third one. (01:31:30)