Bafflingly bad greenscreen The movie isn't any good. It is a cheap "The Shallows" (American version, not the Chinese one), but with two people stuck on a rock rather than one, and an Orca rather than a Great white shark. This movie, however, does have bafflingly poor greenscreen, which was never necessary. You could easily have done those shots outdoors, in a pool on a soundstage, or even with a painted…