Hartley starred as Liz McVay on the television series WIOU from 1990 to 1991. She has also had recurring roles on the TV series including To Have & to Hold, One Life to Live, Law & Order: Special Victims Unit, The Comeback Kids, and Fireside Chat with Esther. Hartley won a Primetime Emmy Award for Outstanding Lead Actress in a Drama Series for The Incredible Hulk in 1979. In 1987 she was awarded a star on the Hollywood Walk of Fame at 7020 Hollywood Blvd.
