Ashley Suzanne Johnson (born August 9, 1983)[1] is an American actress, voice actress and singer. She is best known for her roles as Chrissy Seaver in Growing Pains, Ellie in The Last of Us, Annie Warbucks in Annie: A Royal Adventure!, Alex Marshall in What Women Want, Terra in Teen Titans and its spin-off Teen Titans Go!, Gwen Tennyson in the Ben 10 franchise and Gretchen Priscilla Grundler in Disney's Recess. She currently stars in the NBC d...