“Benton heard the slap and saw Meryl charge into the hallway. We’re dead, he thought. The picture’s dead. She’s going to bring us up with the Screen Actors Guild. Instead, Meryl went on and acted the scene. … As far as she was concerned, she could conjure Joanna’s distress without taking a smack to the face, but Dustin had taken extra measures. And he wasn’t done.”