Other mistake: In the second wedding scene, as Don Pedro and Claudio are walking up the aisle you can see an extra jumping over the benches on the left-hand side of the screen. He clears the first one, but trips on the second and falls flat on his face.
Beatrice: I pray you, who is his companion now? He hath every month a new sworn brother.
Messenger: He is most in the company of the right noble Claudio.
Beatrice: O lord, he will hang upon him like a disease. He is sooner caught than the pestilence and the taker runs presently mad. God help the noble Claudio. If he have caught the Benedick, 'twill cost him a thousand pound ere he be cured.