[Piedomont Media Research’s Josh] Lynn: I would say that from all the movies that we’ve looked at, the one actor that comes to mind is Denzel Washington. Every movie that we’ve run with his name in it has increased the score of that film as a concept by anywhere from 30 percent to 40 percent. Didn’t matter what it was.

Source: Podcast: The Guy Who Predicts Whether A Movie Will Bomb, Months Before It’s Made

heard on Denzel Washington is the Greatest Actor All Time Period Podcast