Haley Pullos was born in Palo Alto, California, U.S. She made her acting debut as a child in the movie Carney Tales. Her next role came five years later in the films ‘Til Death and Moonlight. In 2008, she made her television debut in an episode of Ghost Whisperer.
She went on to star in television series Dollhouse, House M.D., The Cleaner, Growing up Fisher, Instant Mom, Scorpion, The Mick, Mr. Student Body President, The Expanding Universe of Ashely Garcia, and 432 episodes playing Molly Lansing-Davis in General Hospital, which she was nominated for a Daytime Emmy Award for.