Ashley Suzanne Johnson (born August 9, 1983) is an American actress. She became known as a child actress for her role as Chrissy Seaver on the sitcom Growing Pains and later played Amber Ahmed on The Killing and FBI special agent Patterson on the NBC series Blindspot. She has also appeared in films such as The Help and Much Ado About Nothing. She is a cast member on the Dungeons & Dragons show Critical Role and is the president of the Critical Role Foundation, the show's charity branch.