The cinema!!

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Across
  1. 3. the music of a film
  2. 4. a film which continues the story of an earlier film
  3. 5. a person in a film who has a small, unimportant part or role e.g. in a crowd scene
  4. 6. the story of a film
Down
  1. 1. the people who watch a film in a cinema
  2. 2. all the people who act in a film
  3. 4. the words of the film