You know the saying, the show must go on. Come cut, come bruise, come broken arm, the show must go on. On-set injuries are a tradition as old as the art of moviemaking itself. Be it dangerous stunts, an actor getting a little too into their role, or, in one particular case, a surprisingly dangerous dress, there are no end to the risks associated with making a film. (And we’re not talking about actual on-set tragedies, completely different stories with much sadder endings).

Whether it’s the actual moment of impact that makes it into the final cut, or the camera trickery required to hide a cast, burn, or splint, here are nine instances of movie mayhem that got a little too out of hand.