altough there are a few actors who sometimes perform their own stunts, movie directors and producers usually prefer stunt men for the dengerous action scenes. actors are nomally not permited to take on the kind of dangerous work a stunt man does, simply because they are not trained for such work. even a simple fall, is not properly done, can result in injury, which could mean costly delay in the shooting shedule.
an experienced stunt man works clostly with the director and the special-effects team. in big battle scenes, the cheif stunt man will decide how many stunt men and trained horses will be needed.if twenty thousand men are involved in a battle scene, about a few thousand of them might be stunt man, who will do the fight and take the falls. the rest of them do not perform any stunts.

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