Golf at the movies

Password Swordfish was on TV the other day and in one of the opening scenes, Halle Berry visits the other leading character Hugh Jackman as he hits golf balls of his trailer. So he steps up to him in her tight red dress and high heels and tells him to hand him the club and hits away a beautiful shot. Not that anyone would look at the golf ball in the scene but still: can anyone explain me why all these people at a movie set can show the actors a decent backswing? It’s ok if its just for show, but can you believe that Halle would hit a straight ball with a backswing posture like this: