One other thing about movies in the 30s-50s apparently the cameras could not record in a wide angle because when people were in the front seats they sat right next to each other should to shoulder.
In the movie "Hidden Figures" about 1062 NASA having three exceptional black women employees there are a few scenes where they were driving in a car. The problem with those scenes as they motored down the road the position of the gear shift proves the car was in PARK.
Watching reruns of The Sopranos on A&E I noticed Tony Soprano's sister has a tattoo high up on her left breast but in a wedding scene the tattoo is missing then it appears again in the next scene.
Prior to 1932, films James Cagney was in were shot with live ammo. For the film Taxi, Cagney started to refuse the use of live ammunition after a near miss where a bullet deflected off of the steel window and hit the wall where his head had been.
i hated it in old westerns where, in chase scenes, the actors extended their arms to shoot right by the horses' ears.