Michaela Watkins (“Casual”) plays Jack’s worried sister. In one memorable scene, he sits in her kitchen pretending to be fine — fine. When she challenges him, he explodes. “Out of nowhere in one take, Ben backhanded the beer can sitting in front of him,” Watkins said by phone. “It was immediate, and it was scary and it was exactly the right instinct. He was a powder keg, and she had no idea that she had lit it.”
Affleck talked about that moment, too.
“She’s pressing to see if he’s OK, and I know how uncomfortable that can be for an alcoholic — when you have that nagging, irritating, suspicious feeling that the person is righ