Ashley Johnson
Ashley Johnson is the voice actor of Gwen Tennyson in the Ben 10 Alien Force and Ultimate Alien series. She is well known for playing Chrissy Seaver in the TV show Growing Pains, Mel Gibson's daughter in the movie What Women Want as well as voicing Peter Shepherd in the Jumanji TV series and Gretchen Grundler on Disney's Recess. She also voiced Sunny in Girl Trouble, and Gwen's clone from The Big Story, and Busy Box. She's also known for voicing the character Terra from the Teen Titans.