The camera operator physically controls the camera and executes the angles for the DP.

The sound mixer for film is head of the sound department and is responsible for leveling, monitoring and recording of audio during production.

 The grip is in charge of controlling the lights. They place flags, diffusion, gels, and scrims. They are also responsible any time the camera needs support, such as attaching it to a car, cranes, or dolly

The gaffer is also known as the chief lighting technician. This person is primarily responsible for developing a lighting plan according to the desires of the Director of Photography.

The script supervisor works closely with the director by taking detailed notes concerning what has been shot, needs to be shot, and also notes any deviations from take to take.

A production assistant does any general duty or minor task that the production heads may need. Basic duties may include providing water to crew, setting up tents and tables, basic errands or any other last-minute needs.