| Year | Title | Role | Notes | Ref. |
| 1961 | Rob Roy | Diana Vernon | Recurring | |
| 1963 | Ghost Squad | Mina | Episode: "Hot Money" | |
| The Saint | Claire Avery | Episode: "Marcia" | |
| 1972 | Anna and the King | Anna Leonowens | Series regular | |
| 1973 | Love Story | Ruth Wilson | Episode: "The Cardboard House" | |
| Double Indemnity | Phyllis Dietrichson | Made-for-TV movie directed by Jack Smight | |
| The Man of Destiny | The Strange Lady | Made-for-TV movie directed by Joseph Hardy | |
| 1974 | All the Kind Strangers | Carol Ann | Made-for-TV movie directed by Burt KennedyAlso known as Evil in the Swamp | |
| 1975 | Lucas Tanner | Angela Bowman | Episode: "Shattered" | |
| The Legendary Curse of the Hope Diamond | Evalyn Walsh McLean | Made-for-TV movie directed by Delbert Mann | |
| 1976 | The Hemingway Play | Glynis | Made-for-TV movie directed by Don Taylor | |
| The Killer Who Wouldn't Die | Anne Roland | Made-for-TV movie directed by William Hale | |
| Baretta | Laurie Eckardt | Episode: "Look Back in Terror" | |
| 1977 | Columbo | Vivian Brandt | Episode: "The Bye-Bye Sky High IQ Murder Case" | |
| Starsky and Hutch | Charlotte | Episode: "Starsky and Hutch on Playboy Island" | |
| Family | Norah McKay | Episode: "Labours of Love" | |
| 1978 | Ziegfeld: The Man and His Women | Billie Burke | Made-for-TV movie directed by Buzz Kulik | |
| Hawaii Five-O | Agnes DuBois | Episode: "Horoscope for Murder" | |
| Fantasy Island | Helena Marsh | Episode: "Return/The Toughest Man Alive" | |
| 1979–1981 | The Love Boat | mw- Mary-Louise Murphy Meg Chase | Episodes: "A Funny Valentine Touchdown Twins" | |
| 1979 | Fantasy Island | Helena Marsh | Episode: "The Wedding" | |
| 1980 | Hagen | Livia | Episode: "Pilot" | |
| 1981 | Aloha Paradise | Guest | Episode: "The Kid Who Would Be a Daddy / Make Me a Match / Treasure Hunt" | |
| Falcon Crest | Maggie Gioberti | Episode: "The Vintage Years" | |
| 1982 | Darkroom | Miss Alexis St. Clair | Episode: "Exit Lane" | |
| 1983 | For the Term of his Natural Life | Julie Vickers | Miniseries directed by Rob Stewart | |
| Hart to Hart | Gillian Rawlings | Episode: "Long Lost Love" | |
| 1984 | Murder, She Wrote | Marta Quintessa | Episode "Hooray for Homicide" | |
| Magnum, P.I. | Laura Bennett | Episode "Fragments" | |
| 1985 | Finder of Lost Loves | Megan Brody | Episode: "Wayward Dreams" | |
| Tales of the Unexpected | Gwen Carter | Episode "People Don't Do Such Things" | |
| George Burns Half-Hour Comedy Hour | Mrs. Cratchet | Episode: "Christmas Carol II: The Sequel" | |
| Hotel | Elizabeth Oliver | Episode: "Cry Wolf" | |
| 1987 | Outlaws | Sister Rachel | Episode: "Hymm" | |
| Stingray | Camila | Episode "Echos" | |
| Love Among Thieves | Solange | Made-for-TV movie directed by Roger Young | |
| Alfred Hitchcock Presents | Lisa Talbot | Episode: "Deathmate" | |
| 1990 | A Ghost in Monte Carlo | Jeanne | Miniseries | |
| Star Trek: The Next Generation | Marie Picard | Episode "Family" | |
| 1991–93 | The Legend of Prince Valiant | Queen Guinevere | Voice; recurring | |
| 1993 | Law | Camille Bancroft | Episode "Where There's a Will" | |
| 1996 | Everything to Gain | Diana Keswick | Made-for-TV movie directed by Michael Miller | |
| 1998–99 | Hercules | Hera | Voice; 7 episodes | |
| 1998 | Loss of Faith | Insp. Strong | Made-for-TV movie | |
| 2000 | All My Children | Charlotte Devane | 20 episodes | |
| 2005 | Commander in Chief | Sara Templeton | Recurring | |
| 2009 | Mental | Margo Stroud | 2 episodes | |
| 2011 | The Nine Lives of Chloe King | Olivia Rezza | Episode: "Beautiful Day" | |
| 2012 | Metalocalypse | Whale | (voice); 2 episodes; Final role | |
