Tenet Actor Marvels On How Some Of The Stuff In Christopher Nolan’s Interstellar Is Not CGI

At this point, digital post-production is standard procedure for all movies and as such taking care of effects digitally is largely the simpler, and cheaper, way to get it all done. Of course, Christopher Nolan is as focused on the process of filmmaking as much as he is making sure the final product is what he wants, and so frequently he goes above and beyond to not simply make sure something works, but to make sure it’s done in a way that best serves the theatrical process.