Anna Faris

(Shelley Darlington)

Colin Hanks

(Oliver)

Emma Stone

(Natalie)

Kat Dennings

(Mona)

Katharine McPhee

(Harmony)

Rumer Willis

(Joanne)

Christopher McDonald

(Dean Simmons)

Beverly D'Angelo

(Mrs. Hagstrom)

Tyson Ritter

(Colby)

Kimberly Makkouk

(Tonya)

Kiely Williams

(Lily)

Dana Goodman

(Carrie Mae)