Here is a list with links to just a few occupations in filmmaking.
Preproduction
-Screenwriter - writes the script
-Storyboard Artist - draws storyboard
-Director - Oversees all creative aspects of the film - makes and finalizes creative decisions.
-Assistant Director - helps director, makes shooting schedule, keeps order on the set, etc.
-Costumes - designs and fits costumes for actors, keeps costumes in good order.
-Location Scout - finds appropriate locations for scenes, negotiates permissions
Preproduction
-Screenwriter - writes the script
-Storyboard Artist - draws storyboard
-Director - Oversees all creative aspects of the film - makes and finalizes creative decisions.
-Assistant Director - helps director, makes shooting schedule, keeps order on the set, etc.
-Costumes - designs and fits costumes for actors, keeps costumes in good order.
-Location Scout - finds appropriate locations for scenes, negotiates permissions