Joaquin Phoenix and Rooney Mara didn't hit it off right away.
Amy Sussman/WireImageIn addition to his relationship with Rooney, Joaquin also opens up about his unusual upbringing in a cult before his family moved to Florida, then Hollywood, then back to the Sunshine State.
"We were in Florida, we were in the kitchen, and he said, 'Youre going to be an actor and youre going to be more well known than I am,'" Joaquin recalls.
Despite the controversial nature of making a movie that's seemingly sympathetic to its villain, Joaquin finds "value" in the role.
Rooney, Joaquin adds, also celebrated his role in the movie.