Understanding Producer Roles in Film Production: Who Does What on Set? If you’ve ever stayed through the credits at the end of a film, you’ve probably noticed a long list of producers—executive producer, line producer, associate producer, co-producer, and more. What exactly does each type of producer do, and why are there so many? Let’s break down the main producer roles in film production, what they’re responsible for, and how they work together to bring a film to life.