A ridiculous performance can be a good thing or a bad thing, depending entirely on the context in which it is deployed. In a wildly over-the-top film, it can complement the wacky tone already established. In something a little more serious-minded, it can totally derail everything, ruining our suspension of disbelief and pulling us out of the narrative.Though a ridiculous performance will often save a bad film from being outright awful (or at least lend it some perverse comic merit), it can also undo all of the good work that everyone else is aiming for. These 10 films vary wildly in quality, from the genuinely quite good to the outright awful, but whatever progress they were at, their intentions were totally thrown off course by an actor who, either intentionally or by accident, decided to ham it up for the cheap seats, stealing the show either for better or for worse. Of course, if there any classically absurd performances I missed, or you disagree about these actors derailing said movies, let me know in the comments!