Behind The Scenes staff

Sreenwriter researchs & writes script w/ characters.

Producer gets mos/yr period & money to make it. Successful= buys full rights & hires suited director & actors. Production team in charge of getting locations setting distribution deals in advance to secure film distribution & produce it(or at least breaks even).

Director directs their vision to the screen, by directing actors, set designers, art department, technical & production heads

Composer writes orchestra  & in other instrumental aspects

Reddit for film students, https://es.mydramalist.com/list/1xrplVD3