Ashley Suzanne Johnson (born August 9, 1983) is an American actress. She is best known for her roles as Chrissy Seaver on ABC's sitcom Growing Pains and its' subsequent TV movies, Patterson on NBC's FBI drama Blindspot, Mary Beth Caldwell in The Help, Amber Ahmed on AMC's The Killing, and Alex Marshall (daughter of Mel Gibson's character) in What Women Want. She also starred on the live stream show Critical and its' spinoffs. She's also known for her voice roles in animated television series including Gwen Tennyson on Ben 10: Alien Force and its' spinoffs, Gretchen Grundler on Recess and all its' spinoffs, Terra on Teen Titans, and Peter Shepherd on Jumanji (animated series).