Filmography51 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2022 | DAHMER - Monster: The Jeffrey Dahmer StorySeries | Catherine Dahmer | 83 |
| 2009 | An American Girl: Chrissa Stands StrongMovie | Nana Louise Hanlon | 70 |
| 2005 | Lethal EvictionMovie | Elsa | 66 |
| 2004 | The Best of So Graham NortonMovie | Self (archive footage) | 65 |
| 2003 | Cold CaseSeries | Louise Patterson (2009) | 64 |
| 2001 | ScrubsSeries | Mrs. Wilk | 62 |
| 1999 | Law & Order: Special Victims UnitSeries | Candace Lamerly | 60 |
| 1999 | TV totalSeries | Self | 60 |
| 1998 | So Graham NortonSeries | Self - Guest | 59 |
| 1998 | The AlarmistMovie | Beth Hudler | 59 |
| 1998 | A Father for BrittanyMovie | Edna Humphreys | 59 |
| 1997 | A Walton EasterMovie | Olivia Walton | 58 |
| 1996 | ProfilerSeries | Helen Waters | 57 |
| 1996 | Promised LandSeries | — | 57 |
| 1995 | A Walton WeddingMovie | Olivia Walton | 56 |
| 1994 | The Secret World of Alex MackSeries | Ghost of Paradise Valley | 55 |
| 1994 | The American RevolutionSeries | Abigail Adams | 55 |
| 1993 | Dragon: The Bruce Lee StoryMovie | Vivian Emery | 54 |
| 1993 | A Walton Thanksgiving ReunionMovie | Olivia Walton | 54 |
| 1991 | Keeping SecretsMovie | Marion Mahoney | 52 |
| 1991 | Murder in New Hampshire: The Pamela Wojas Smart StoryMovie | Judy Smart | 52 |
| 1991 | Aftermath: A Test of LoveMovie | Irene | 52 |
| 1990 | Gunsmoke: The Last ApacheMovie | Mike Yardner | 51 |
| 1989 | Living DollsSeries | Trish Carlin | 50 |
| 1988 | Roots: The GiftMovie | Amelia Parker | 49 |
| 1988 | HothouseSeries | Dr. Marie Teller | 49 |
| 1987 | WiseguySeries | — | 48 |
| 1987 | Mercy or Murder?Movie | Skipper | 48 |
| 1986 | PowerMovie | Gov. Andrea Stannard | 47 |
| 1986 | PicnicMovie | Rosemary Sidney | 47 |
| 1984 | Murder, She WroteSeries | Maria Hudson | 45 |
| 1984 | Who's the Boss?Series | — | 45 |
| 1983 | Reading RainbowSeries | Self - Narrator (voice) | 44 |
| 1982 | St. ElsewhereSeries | Sister Millicent Domenica | 43 |
| 1982 | Night of 100 StarsMovie | Self | 43 |
| 1982 | Mother's Day on Waltons MountainMovie | Olivia Walton | 43 |
| 1981 | NurseSeries | Mary Benjamin | 42 |
| 1980 | NurseMovie | Mary Benjamin | 41 |
| 1980 | Touched by LoveMovie | Dr. Bell | 41 |
| 1980 | The Waltons: A Decade of the WaltonsMovie | — | 41 |
| 1980 | A Christmas Without SnowMovie | Zoe Jensen | 41 |
| 1978 | Little MoMovie | Eleanor 'Teach' Tennant | 39 |
| 1974 | Dinah!Series | Self | 35 |
| 1974 | It Couldn't Happen to a Nicer GuyMovie | Janet Walters | 35 |
| 1973 | Police StorySeries | — | 34 |
| 1972 | The WaltonsSeries | Olivia Walton | 33 |
| 1966 | WojeckSeries | Nina Eden | 27 |
| 1962 | The Merv Griffin ShowSeries | Self | 23 |
| 1961 | The Mike Douglas ShowSeries | Self | 22 |
| 1955 | GunsmokeSeries | May Lassiter | 16 |
| 1944 | Golden Globe AwardsSeries | Self - Nominee | 5 |