My Dream Cast for Delirium

I absolutly fell in love with this book! (which should not be allowed ;))And I'm so excited about it turning into a movie!! Here is my dream cast for it:

Lena: Vanessa Marano
Hana: Inidiana Evans
Alex: Colin Ford
Grace: Maggie Elizabeth Jones
Jenny:Caitlin Carmichael
Carol: Diane Lane
Rachel: Shelley Hennig

That's All I can think of right now! Tell me if you think of more or better actors and actresses!
~Emma