Yeah, I thought of Natalie Portman instead of Anne Hathaway. Portman would be ideal, but she's also almost 30 and from what I understand, she wants to leave little girl roles behind (which Louise is for most of the show). She'd still be excellent though.
"Some people can thrive and bloom living life in a living room, that's perfect for some people of one hundred and five. But I at least gotta try, when I think of all the sights that I gotta see, all the places I gotta play, all the things that I gotta be at"