Mary Elizabeth McDonough is an American actress (born May 4 1961 in Van Nuys California), best known for her role as "Erin Walton" in the series The Waltons. In 1988 she married Rob Wickstrom, with whom she had a daughter Sydnee. The couple divorced in 1996. She has Lupus erythematosus, which she blames on leaking silicone breast implants. She has recently gone back into television, guest-starring in such shows as Boston Legal and The New Adventures of Old Christine.

Filmography