Filmography76 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | Cartoon CartoonsSeries | Joan / Coach Peters (voice) | 79 |
| 2020 | Christmas on the VineMovie | Carla Kilgore | 73 |
| 2017 | UnlovableMovie | Joan / Coach Peters (voice) | 70 |
| 2015 | Becoming SantaMovie | Jessica Claus | 68 |
| 2014 | Finding CarterSeries | Joan 'Gammy' Marshall | 67 |
| 2013 | Instant MomSeries | Elyse Keaton | 66 |
| 2013 | Shadow on the MesaMovie | Emilie Rawlins | 66 |
| 2012 | Raid of the Rainbow LoungeMovie | — | 65 |
| 2011 | Switched at BirthSeries | Bonnie | 64 |
| 2010 | Airline DisasterMovie | President Harriet Franklin | 63 |
| 2009 | GleeSeries | Liz Stevens | 62 |
| 2009 | Bound By a SecretMovie | Ida Mae | 62 |
| 2008 | The Onion MovieMovie | Cooking Show Chef | 61 |
| 2006 | Brothers and SistersSeries | Margaret Packard | 59 |
| 2006 | What About BrianSeries | Frankie | 59 |
| 2005 | The CloserSeries | Congresswoman Simmons | 58 |
| 2005 | Hell's KitchenSeries | Self - Restaurant Patron | 58 |
| 2005 | The Mostly Unfabulous Social Life of Ethan GreenMovie | Harper Green | 58 |
| 2005 | Paradise TexasMovie | Liz Cameron | 58 |
| 2004 | Angel in the FamilyMovie | Lorraine | 57 |
| 2003 | Cold CaseSeries | Ellen Rush | 56 |
| 2003 | A Long Way HomeMovie | Carol | 56 |
| 2003 | Devil's PondMovie | Kate | 56 |
| 2002 | NBC 75th Anniversary SpecialMovie | Self | 55 |
| 2002 | Half & HalfSeries | Joan Tyrell | 55 |
| 2001 | Murder on the Orient ExpressMovie | Caroline Hubbard | 54 |
| 2001 | A Mother's Fight for JusticeMovie | Terry Stone | 54 |
| 1999 | Family GuySeries | Elyse Keaton (voice) | 52 |
| 1999 | Holy JoeMovie | Annie Cass | 52 |
| 1997 | The ViewSeries | Self | 50 |
| 1997 | Dog's Best FriendMovie | Cow (voice) | 50 |
| 1997 | The InheritanceMovie | Beatrice Hamilton | 50 |
| 1997 | Let Me Call You SweetheartMovie | D.A. Kerry McGrath | 50 |
| 1996 | Spin CitySeries | Macy | 49 |
| 1996 | 7th HeavenSeries | Ms. Jones | 49 |
| 1996 | E! True Hollywood StorySeries | — | 49 |
| 1996 | After JimmyMovie | Maggie Stapp | 49 |
| 1996 | The FacultySeries | Flynn Sullivan | 49 |
| 1995 | Betrayed: A Story of Three WomenMovie | Amanda Nelson | 48 |
| 1994 | One More MountainMovie | Magaret Reed | 47 |
| 1994 | My BreastMovie | Joyce Wadler | 47 |
| 1994 | For the Love of AaronMovie | Margaret Gibson | 47 |
| 1993 | Darkness Before DawnMovie | Mary Ann Guard | 46 |
| 1993 | Other MothersMovie | Paula Hensen | 46 |
| 1991 | A Mother's JusticeMovie | Lila | 44 |
| 1991 | Bump in the NightMovie | Martha Tierney (as Meredith Baxter-Birney | 44 |
| 1990 | Burning BridgesMovie | Lynn Hollinger | 43 |
| 1990 | Jezebel's KissMovie | Virginia De Leo | 43 |
| 1989 | She Knows Too MuchMovie | Samantha White | 42 |
| 1986 | Kate's SecretMovie | Kate Stark | 39 |
| 1985 | Night of 100 Stars IIMovie | Self | 38 |
| 1985 | The Rape of Richard BeckMovie | Barbara McKee | 38 |
| 1982 | Family TiesSeries | Elyse Keaton | 35 |
| 1981 | The Two Lives of Carol LetnerMovie | Carol Letner | 34 |
| 1978 | Little WomenSeries | Meg March | 31 |
| 1977 | The Love BoatSeries | Francesca Randall | 30 |
| 1977 | What Really Happened to the Class of '65?Series | — | 30 |
| 1977 | The November PlanMovie | Mary Kingston | 30 |
| 1976 | All the President's MenMovie | Debbie Sloan | 29 |
| 1976 | FamilySeries | Nancy Lawrence | 29 |
| 1976 | Bittersweet LoveMovie | Patricia | 29 |
| 1975 | The ImpostorMovie | Julie Watson | 28 |
| 1975 | The Night That Panicked AmericaMovie | Linda Davis | 28 |
| 1975 | Medical StorySeries | Sunny | 28 |
| 1975 | Target RiskMovie | Linda Flayly | 28 |
| 1974 | Police WomanSeries | — | 27 |
| 1974 | The Stranger Who Looks Like MeMovie | Joanne Denver | 27 |
| 1974 | The Invasion of Carol EndersMovie | Carol Enders | 27 |
| 1973 | Barnaby JonesSeries | Jenny Sutherland | 26 |
| 1973 | The Cat CreatureMovie | Rena Carter | 26 |
| 1972 | The Streets of San FranciscoSeries | — | 25 |
| 1972 | BenMovie | Eve Garrison | 25 |
| 1972 | Bridget Loves BernieSeries | Bridget Fitzgerald Steinberg | 25 |
| 1970 | The Partridge FamilySeries | Jenny | 23 |
| 1969 | Medical CenterSeries | — | 22 |
| 1962 | The Tonight Show Starring Johnny CarsonSeries | Self | 15 |