Joanna Crussie DeVarona Kerns is an American actress and director best known for her role as Maggie Seaver on the family situation comedy Growing Pains from 1985 to 1992 After Growing Pains ended she turned to directing She directed one episode of Growing Pains while starring on the show and got hooked She has also directed episodes of television shows including Dawsons Creek Titans Scrubs Private Practice Psych Felicity Greys Anatomy Privileged ER Ghost Whisperer Army Wives Pretty Little Liars Switched at Birth The Goldbergs This Is Us and Fuller House She has also made notable appearances in feature films including APE Girl Interrupted and the 2007 comedy Knocked Up She has also starred in a number of TV movies In 1974 Kerns met a commercial producer Richard Kerns on the set of a commercial and they married two years later Their marriage lasted nine years and the couple had a daughter Ashley Cooper In 1994 she married Marc Appleton a prominent Los Angeles architect In August 2019 she filed for divorce from Appleton She previously dated comedian and actor Freddie Prinze a short time before he died of a selfinflicted gunshot wound The two had worked together on the 1976 TV movie The Million Dollar RipOff