The Guardian interviews Anderson about how an actors voice, pitch and accent choices fascinate her.
When I read a script I hear the voice. If I don’t hear the voice, the script’s not for me. When I work on something, I work on it in that pitch in my head, but don’t actually say it out loud. I’ve just been working with Michael Caine [on a film called Mr Morgan’s Last Love] who has got a very distinctive voice. Part of what we love about Michael Caine is his voice. There are some actors, like him, whose voice is part of what we pay for when we see them.