She starred as "Erin" for 9 years!

'The Waltons': This Is Mary Elizabeth McDonough Today

Mary Elizabeth McDonough played throughout the entire series of The Waltons as "Erin Walton". The former child star is a bit of a mystery in Hollywood these days... see what films and TV shows she's been apart of all in the video above!

Judy Norton-Taylor, Mary Beth Mcdonough and Kami Cotler in The Waltons

Judy Norton Taylor still looks great!

'The Waltons': This Is "Mary Ellen Walton" Now

From 1972 to 1981, Mary McDonough personified the youthful "Erin Walton" in the classic family series, The Waltons. After the success of the series, McDonough would land various roles in popular television shows, but never fully garnered the fame she once had as "Erin". Find out more in the video above!

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