| Year | Title | Role | Notes |
| 1973–1977 | Search for Tomorrow | Jennifer Pace | |
| 1976 | Kojak | Allison | Episode: "A Hair-Trigger Away" |
| 1977 | Rafferty | Lisa Farrell | Episode: "A Point of View" |
| Switch | Shelley Bloom | Episode: "Downshift" |
| Rosetti and Ryan | Claire Blake | Episode: "The Ten-Second Client" |
| Happy Days | Cynthia Holmes | Episode: "My Fair Fonzie" |
| The Bob Newhart Show | Bianca / Linda | Episode: "Grand Delusion" |
| 1978 | Police Woman | Cheryl | Episode: "Murder with Pretty People" |
| The Amazing Spider-Man | Lisa Benson | Episode: "Night of the Clones" |
| Barnaby Jones | Felice Winters and Scotty MacKay respectively | Episodes: "Daughter of Evil" and "A Dangerous Affair" |
| Dallas | Jenna Wade | Episode: "Old Acquaintance" |
| Escapade | Suzy | TV pilot |
| 1978–1979 | Mork & Mindy | Susan Taylor | 3 episodes |
| 1979 | Concrete Cowboys | Carla / Kate | Episode: "Concrete Cowboys" |
| A Man Called Sloane | Melissa Nelson | Episode: "The Venus Microbe" |
| 1980 | The Dream Merchants | Dulcie Warren | TV Miniseries, 2 episodes |
| Young Maverick | Selene | Episode: "Makin' Tracks" |
| 1981 | Women Who Rate a "10" | Herself | Guest host with Erik Estrada and Howard Hessemen |
| The Love Boat | Jenny Boyer | 2 episodes |
| 1980-82 | Flamingo Road | Constance Weldon Carlyle | 38 episodesNominated—Golden Globe Award for Best Actress – Television Series Drama (1982) |
| 1982 | Magnum, P.I. | Alex Houston / Catherine Hailey | Episode: "Ki'is Don't Lie" |
| Simon & Simon | Alex Houston / Catherine Hailey | Episode: "Emeralds Are Not a Girl's Best Friend" |
| The Shape of Things | Herself (1 episode) | Guest host with Sarah Purcell, Lynn Redgrave and Betty WhiteShow was cancelled after 3 episodes |
| 1983 | Hotel | Carol | Episode: "Hotel" |
| 1984 | Paper Dolls | Racine | 13 episodes |
| Blondes vs. Brunettes | Herself | ABC TV Special |
| 1985 | North and South | Burdetta Halloran | TV miniseries |
| 1986 | North and South, Book II | Burdetta Halloran | TV miniseries |
| 1985–86 | Falcon Crest | Jordan Roberts | 29 episodesNominated—Soap Opera Digest Award for Outstanding Actress in a Leading Role on a Prime Time Serial (1986) |
| 1989 | My Two Dads | Diana Thackery | Episode: "Macho, Stupid Guy Time" |
| Murphy Brown | Julia St. Martin | Episode: "TV or not TV"Nominated—Primetime Emmy Award for Outstanding Guest Actress in a Comedy Series (1990) |
| 1992 | Roseanne | Marla | 3 episodes |
| 1993 | Lois & Clark: The New Adventures of Superman | Miranda | Episode: "Pheromone, My Lovely" |
| Murder, She Wrote | Iris Novaro | Episode: "Murder at a Discount" |
| 1994 | Burke's Law | June Ward | Episode: "Who Killed Romeo?" |
| Empty Nest | Zoe | Episode: "Best Friends" |
| Diagnosis: Murder | Pamela Dorn | Episode: "My Four Husbands" |
| 1995-96 | The City | Sydney Chase | |
| 1996 | General Hospital | Sydney Chase | |
| 1995–97 | Cybill | Andrea Thorpe | 4 episodes |
| 1997 | Head over Heels | Mona DuBois | Episode: "Gigolo Guy" |
| Touched by an Angel | Jackie Sykes | Episode: "My Dinner with Andrew" |
| The Naked Truth | Herself | Episode: "Bridesface Revisited" |
| 1998 | Home Improvement | Herself | Episode: "Mr. Likeable" |
| V.I.P. | Herself | Episode: "Three Days to a Kill" |
| The Angry Beavers | Muffy Snootwell | Episode: "Open Wide for Zombies/Dumbwaiters" (voice) |
| 1999 | The New Addams Family | Lady Pretensia | Episode: "Thing's Romance" |
| 1995–2001 | Friends | Nora Tyler Bing | 5 episodes |
| 2001 | Dharma & Greg | Jackie | Episode: "Dharma Does Dallas" |
