Source site for identifying crew for productions. This is outside reps. But could/can include reps. I personally suggest looking at like film-for-film credits to build potential crew for productions to then cross compare with IMDB.
The Producer Log: Go Behind-the-Scenes Producing a Micro-Budget [Chapter So you want to be a producer but are not sure how to start? Or you’re a filmmaker who wants to shoot a no/micro/low budget and wondering what are the steps to make it work?