Ashley Suzanne Johnson (born August 9, 1983) is an American actress, singer, and voice actress. Johnson is best known for her role as Chrissy Seaver in the TV show Growing Pains, and in 2011 as Amber Ahmed on the drama series The Killing. As a voice actress she is well known for the part of Gwen Tennyson in the series Ben 10: Alien Force, and its two successors Ben 10: Ultimate Alien and Ben 10: Omniverse. She also voiced Terra in Teen Titans. In 2012, Johnson played a small role as the New York City Blond Waitress "Beth," who is saved by Captain America in The Avengers.