Filmography54 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | ReunionMovie | — | 79 |
| 2017 | Sucker Punch Blues: A Look Back on John Huston's 'Fat City'Movie | Self | 70 |
| 2016 | Cold MoonMovie | Evelyn Larkin | 69 |
| 2013 | David Bowie: Five YearsMovie | Self | 66 |
| 2011 | Bob's New SuitMovie | Aunt Tootie | 64 |
| 2009 | The Informant!Movie | Mark Whitacre's Mother | 62 |
| 2008 | Dog TagsMovie | Deb Merritt | 61 |
| 2008 | The Boneyard CollectionMovie | Jane Torquemada (segment "Cry of the Mummy") | 61 |
| 2007 | ZodiacMovie | Carol Fisher | 60 |
| 2005 | Criminal MindsSeries | Sandy Jareau | 58 |
| 2002 | George Lucas: Creating an EmpireMovie | Self | 55 |
| 2002 | The Month of AugustMovie | Tina | 55 |
| 2001 | R2-D2: Beneath the DomeMovie | Self | 54 |
| 2000 | Cherry FallsMovie | Marge Marken | 53 |
| 1998 | The Making of 'American Graffiti'Movie | Self | 51 |
| 1998 | Niagara, NiagaraMovie | Sally | 51 |
| 1995 | Baywatch NightsSeries | Julie Young | 48 |
| 1994 | Radioland MurdersMovie | Billy's Mom | 47 |
| 1992 | Buffy the Vampire SlayerMovie | Buffy's Mom | 45 |
| 1992 | The Price She PaidMovie | Marlene | 45 |
| 1990 | Twin PeaksSeries | Doris Truman | 43 |
| 1988 | The BlobMovie | Fran Hewitt | 41 |
| 1986 | MatlockSeries | Kitty Carroll | 39 |
| 1986 | Popeye DoyleMovie | Corinne Evans | 39 |
| 1986 | At Close RangeMovie | Mary Sue | 39 |
| 1985 | Cat's EyeMovie | Sally Ann | 38 |
| 1984 | HunterSeries | Jody Stone | 37 |
| 1983 | The HitchhikerSeries | Cheryl Barnes | 36 |
| 1983 | Blue ThunderMovie | Kate | 36 |
| 1983 | Hambone and HillieMovie | Nancy Rollins | 36 |
| 1983 | Amityville 3-DMovie | Melanie | 36 |
| 1982 | St. ElsewhereSeries | Harry Warner | 35 |
| 1982 | Faerie Tale TheatreSeries | Queen Gwynneth / Candy | 35 |
| 1982 | National Lampoon's Movie MadnessMovie | Susan Cooper ("Growing Yourself") | 35 |
| 1982 | Johnny BelindaMovie | Julie Sayles | 35 |
| 1982 | QMovie | Joan | 35 |
| 1982 | The Tale of the Frog PrinceMovie | Queen Gwynneth / Candy | 35 |
| 1981 | Simon & SimonSeries | — | 34 |
| 1981 | Be Pretty and Shut Up!Movie | Self | 34 |
| 1980 | Where the Ladies GoMovie | Charlene | 33 |
| 1980 | Magnum, P.I.Series | Leslie 'Scooter' Emory | 33 |
| 1980 | Rodeo GirlMovie | J.R. Patterson | 33 |
| 1979 | More American GraffitiMovie | Debbie Dunham | 32 |
| 1979 | When You Comin' Back, Red Ryder?Movie | Cheryl | 32 |
| 1978 | The Big SleepMovie | Camilla Sternwood | 31 |
| 1977 | Citizens BandMovie | Electra | 30 |
| 1976 | I Will, I Will...For NowMovie | Sally Bingham | 29 |
| 1976 | The Man Who Fell to EarthMovie | Mary-Lou | 29 |
| 1976 | James DeanMovie | Chris White | 29 |
| 1974 | The Horror Hall of Fame: A Monster SaluteMovie | Self | 27 |
| 1973 | American GraffitiMovie | Debbie Dunham | 26 |
| 1972 | Fat CityMovie | Faye | 25 |
| 1971 | The New Dick Van Dyke ShowSeries | Pamela Sherry | 24 |
| 1969 | Room 222Series | — | 22 |