We know that ‘green screens’ (or more accurately, “Chroma Key“) are commonly used in filming, be it weather or action movies so that the actor/presenter need not be physically within the context of a scene, whether for safety, costs or technical reasons. The reel from green screen specialist studio Stargate would show just how much it is used in movies and dramas:
Actors probably have gotten better over the years, as they adapt to this technique during acting to respond to non-existent cues within the movie frame. For instance, the instinctive slight shivering while walking through a particularly cold street in Russia – without the immersive visual and visceral setting, one has to imagine the hundreds of minor environmental cues that may affect a character within the environment’s context. Tough!