"My first memory of the Harry Potter series was my little brother just falling into those books and n..." — Katherine Waterston

One of my earliest memories was when I was three, going to this full-length mirror in my parents' bathroom and saying into the mirror, 'You are going to be an actress.'

The best way to honor real people when you play them is to try to tell the story of their dynamics and the struggles that they're dealing with rather than lose sight of the connections and personal relationships, and do a really good job at an accent.

When you're playing Marilyn Monroe, you have a responsibility to look and sound like her that you don't when you're playing people who weren't ever in the public eye.

I have been a scrappy actor for 10-plus years, and when you're playing supporting roles, your relationship with the costume designer is very different.