The Art of Dying 1991 on netflix

A cinematographer and his assistant are attracting aspiring young actors and actresses by getting them to try out for their movie. Once filming, the evil cameraman actually kills them. The detective on the case has his hands full trying to help out runaways with stars in their eyes. When some of the people he knows turn up dead, he takes it personally, and as he gets closer to the truth his girlfriend is endangered.