| Year | Title | Role | Notes | Refs. |
| 1949 | The Ford Theatre Hour | Amy March | 1 episode | |
| 1952 | Hallmark Hall of Fame | Dolly Madison | Episode: Mistress of the White House | |
| 1956 | Science Fiction Theatre | Eve Patrick | Episode: "Death at My Fingertips" | |
| 1957 | The Joseph Cotten Show | Julie Baggs | 1 episode | |
| The Kaiser Aluminum Hour | Verna | 1 episode | |
| Have Gun – Will Travel | Dr. Phyllis Thackeray | 2 episodes | |
| 1958 | Shirley Temple's Storybook | Beauty's Sister | Episode: "Beauty and the Beast" | |
| Wagon Train | Sarah Drummond | Episode: "The Sarah Drummond Story" | |
| NBC Matinee Theater | Connie | 1 episode | |
| Gunsmoke | Beula | Episode: "Dirt" | |
| Playhouse 90 | Narrator | 1 episode | |
| 1958–1964 | Lassie | Ruth Martin | 200 episodes | |
| 1959 | Rawhide | Rainy Dawson | Episode: "Incident at Barker Springs" | |
| General Electric Theater | Vera | 1 episode | |
| 1960 | Wagon Train | Laura Bell | Episode: "The Ricky and Laura Bell Story" | |
| 1964 | Perry Mason | Mona Stanton Harvey | Episode: "The Case of the Scandalous Sculptor" | |
| Bewitched | Mrs. Burns | Episode: "Little Pitchers Have Big Ears" | |
| Voyage to the Bottom of the Sea | Dr. Ellen Bryce | Episode: "The Ghost of Moby Dick" | |
| The Man from U.N.C.L.E. | Sarah Taub | Episode: "The Dove Affair" | |
| 1965 | Branded | Mrs. Sue Pritchett | Episode: "The Vindicator" | |
| Death Valley Days | Miss Ina Coolbrith | Episode: "The Magic Locket" | |
| The Alfred Hitchcock Hour | Martha | Episode: "The Second Wife" | |
| Mr. Novak | Mrs. Nelby | Episode: "Once a Clown" | |
| 1965–1968 | Lost in Space | Maureen Robinson | 84 episodes | |
| 1968–1970 | Petticoat Junction | Dr. Janet Craig | 45 episodes | |
| 1968 | Family Affair | Miss Evans | 3 episodes | |
| 1971 | The Man and the City | Ellen Lewis | 1 episode | |
| 1974 | Marcus Welby, M.D. | Lila | 1 episode | |
| Adam-12 | Mrs. Whitney | Episodes: "Camp" Part 1 & 2 | |
| These Are the Days | | 1 season | |
| 1975 | Ellery Queen | Claudia Wentworth | 1 episode | |
| New Zoo Revue | Penelope Potter | 1 episode | |
| 1976 | Happy Days | Judge MacBride | 1 episode | |
| Quincy, M.E. | Clara Rhoades | 1 episode | |
| 1978 | The Hardy Boys/Nancy Drew Mysteries | Mrs. Migley | Episode: "The Pirates" | |
| 1981 | Vega$ | Dr. Michaels | 1 episode | |
| Magnum, P.I. | Diane Westmore Pauley | 1 episode | |
| Darkroom | Margo Haskell | Episode: "Uncle George" | |
| 1982 | Falcon Crest | Mara Wingate | 1 episode | |
| Knots Landing | Hilda Grant | 1 episode | |
| 1981 | The Greatest American Hero | Mrs. Davidson | 2 episodes | |
| 1984 | Whiz Kids | Mrs. Butterfield | 1 episode | |
| The Night They Saved Christmas | Mrs. Claus | TV movie | |
| 1985 | Murder, She Wrote | Beryl Hayward | 1 episode | |
| 1985; 1992; 1993 | General Hospital | Mariah Ramirez | 14 episodes | |
| 1986 | The Colbys | Dr. Sylvia Heywood | 2 episodes | |
| Hotel | Betty Archer | 1 episode | |
| Amazing Stories | Mildred | Episode: "The Pumpkin Connection" | |
| 1987 | Pound Puppies | Aunt Millie | 1 episode | |