The CW are welcoming some new stars:

Melrose:
Ashlee Simpson (7th Heaven)
Katie Cassidy (Supernatural)
Michael Rady (Swingtown)

Lily:
Brittany Snow (American Dreams)
Krysten Ritter (Confessions Of A Shopoholic)
Ryan Hansen (Veronica Mars)
Matt Barr (One Tree Hill)
Cynthia Watros (Lost)
Shiloh Fernandez
Andrew McCarthy (Lipstick Jungle)

The Beautiful Life:
Micha Barton (The O.C.)

Vampire Diaries:
Nina Dobrev (Degrassi:TNG)
Stephen R McQueen