In one scene, Navarre tells Philippe to ride his horse to Imperius' castle and slaps the horse's rear to make it ride. However, the first time the scene was filmed,
Rutger Hauer (Navarre) slapped the horse too hard and it took off over the hill and off into the horizon. The horse was too powerful for
Matthew Broderick to stop, so all everyone could do was sit and wait for him to come back.
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