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Mary Elizabeth McDonough, sometimes credited as Mary Beth McDonough, is an American actress and writer, best known for her role as Erin Walton on The Waltons from 1972 to 1981.
Birth Name
Mary Elizabeth McDonough
Born
Thursday, 04 May 1961
Actress Filmography
| Title | Character | Year |
|---|
| A Biltmore Christmas | Director | 2023 |
| Christmas on Honeysuckle Lane | Caroline Reynolds | 2018 |
| Amateur | Math Teacher | 2018 |
| Earl Hamner Storyteller | Self | 2015 |
| Oprah: Where Are They Now? | Self | 2012 |
| Home & Family | Self | 2012 |
| Teens Wanna Know | Self - Guest | 2012 |
| Lake Effects | Elizabeth | 2012 |
| Confessions of a Horror Baby | (archive footage) | 2010 |
| Christmas at Cadillac Jack's | Madge | 2007 |
Actress Filmography
| Title | Character | Year |
|---|
| A Biltmore Christmas | Director | 2023 |
| Christmas on Honeysuckle Lane | Caroline Reynolds | 2018 |
| Amateur | Math Teacher | 2018 |
| Earl Hamner Storyteller | Self | 2015 |
| Oprah: Where Are They Now? | Self | 2012 |
| Home & Family | Self | 2012 |
| Teens Wanna Know | Self - Guest | 2012 |
| Lake Effects | Elizabeth | 2012 |
| Confessions of a Horror Baby | (archive footage) | 2010 |
| Christmas at Cadillac Jack's | Madge | 2007 |
| Where There's a Will | Dr. Burton | 2006 |
| The New Adventures of Old Christine | Mrs. Wilhoite | 2006 |
| Boston Legal | Janice Warner | 2004 |
| Star Dates | Self | 2002 |
| American Dreams | (as Mary McDonough) | 2002 |
| Lifestyle Magazine | Self | 2001 |
| The Division | Mrs. Berwin | 2001 |
| The West Wing | Beth | 1999 |
| Loose Women | Self (as Mary McDonough) | 1999 |
| After They Were Famous | Herself | 1999 |
| Will & Grace | Mom (as Mary McDonough) | 1998 |
| Ally McBeal | Attorney Gloria Stepp | 1997 |
| A Walton Easter | Erin Walton Northridge (as Mary McDonough) / Erin Walton Northridge | 1997 |
| One of Those Nights | Andrea Harris | 1997 |
| The Pretender | Mrs. Falk | 1996 |
| Promised Land | Claire's Mother | 1996 |
| A Walton Wedding | Erin Walton Northridge | 1995 |
| The Secret World of Alex Mack | Betsy Phillips | 1994 |
| ER | Jean Twomey | 1994 |
| Heaven Sent | Kathy Chandler | 1994 |
| A Walton Thanksgiving Reunion | Erin Walton Northridge | 1993 |
| Diagnosis Murder | Colleen Akins | 1993 |
| John & Leeza from Hollywood | Self | 1993 |
| Walker, Texas Ranger | Jill Allen | 1993 |
| Picket Fences | (as Mary McDonough) | 1992 |
| Bodies of Evidence | Sarah Gentry | 1992 |
| Mom | Alice | 1990 |
| Funland | Kristin Cumming | 1987 |
| Impure Thoughts | Sister Juliet | 1986 |
| Hunter | Vera Donovan | 1984 |
| Snowballing | Karen / Karen Reed | 1984 |
| Mortuary | Christie Parson | 1983 |
| A Day for Thanks on Walton's Mountain | Erin Walton Northridge | 1982 |
| Mother's Day on Waltons Mountain | Erin Walton | 1982 |
| A Wedding on Walton's Mountain | Erin Walton | 1982 |
| Lovely But Deadly | Denise | 1981 |
| Midnight Offerings | Robin Prentiss | 1981 |
| The Love Boat | Abby Foster / Laura Barber | 1977 |
| Dinah! | Self | 1974 |
| The Waltons | Erin Walton | 1972 |
| The Homecoming: A Christmas Story | Erin Walton | 1971 |
