What exactly are you looking for? Which side of the camera do you want to talk about? Here at https://lemmy.film/ we've got !moviesandtv@lemmy.film, which is constantly in action. Look here for other communities here that might interest you!
The other thing is everyone and their personal assistant is waiting for someone else to post fascinating articles or links regarding film and/or TV. This Lemmy business is new to a lot of people, possibly even you. You gotta participate to get things rolling. Don't be shy!
Welcome aboard, @jininjin@lemmy.world !