All movies have camera operators.
They use cameras to shoot the film.
Sometimes, they film scenes with no actors.
The director tells the camera operators what to do.
The director also helps actors do their best job.
Before you can have actors, you need a script.
You need a screenwriter! Screenwriters write the words for actors to say.
After you have filmed everything, you need some extra things.
You might need people to help you add special effects.
Most films also have a composer.
The composer makes the music in a film.
There can be hundreds of people working on a film!