1. The person who directs films: d 2. The person who takes part in a contest or competition: c 3. The group of people who watch or listen to something like a play or concert: a 4. The place in a theatre where the actors perform: s 5. A very rich person: m 6. The music of a film: s​

The person who directs films: director

The person who takes part in a contest or competition: contestant

The group of people who watch or listen to something like a play or concert: audience

The place in a theatre where the actors perform: stage

A very rich person: millionaire

The music of a film: soundtrack