The trailer of the film was released online on July 14, 2009, then with Harry Potter and the Half-Blood Prince on July 15, 2009. The second trailer was shown before A Christmas Carol. The third trailer was released online in December 11, 2009, but was not attached to a movie until Alvin and the Chipmunks: The Squeakquel and Alice in Wonderland were released. The newest trailer was shown on the web on March 25, 2010, and was shown on How to Train Your Dragon. Cast Steve Carell as Gru Miranda Cosgrove as Margo Kristen Wiig as Miss Hattie Russell Brand as Dr. Nefario Jason Segel as Vector, Gru\'s archnemesis supervillain. Julie Andrews as Gru\'s mother Will Arnett as Mr. Perkins Dana Gaier as Edith Elsie Fisher as Agnes Ken Jeong as Scientist Danny R. McBride as Fred McDade Dave Foley as George W. Bush Jack McBrayer as Tourist Father Mindy Kaling as Tourist Mother Jemaine Clement as Tom