| Year | Title | Role | Notes |
| 1950 | Dimension X | Mink | Episode: "There Will Come Soft Rains / Zero Hour" |
| 1951 | Robert Montgomery Presents | | Episode: "Bubbles" |
| 1951 | Armstrong Circle Theatre | | Episode: "That Man Is Mine" |
| 1952 | Kraft Television Theatre | | Episode: "Lace on Her Petticoat" |
| 1955 | Robert Montgomery Presents | Jeannie | Episode: "The Tall Dark Man" |
| 1955 | The Adventures of Huckleberry Finn | Mary Jane Wilks | TV movie |
| 1956 | Crime in the Streets | Maria Gioia | |
| 1956 | Father Knows Best | Georgia | Episode: "No Apron Strings" |
| 1958 | The Veil | Ruth Cooper | TV mini-series |
| 1958 | The Walter Winchell File | Teresa Filchok | Episode: "Hot Night in Manhattan" |
| 1958 | Westinghouse Desilu Playhouse | | Episode: "Song of Bernadette" |
| 1958 | Make Room for Daddy | Connie Coleman | Episode: "Terry's Girlfriend" |
| 1959 | The Danny Thomas Show | Gerta Shoentler | Episode: "Red Tape" |
| 1959 | The DuPont Show with June Allyson | Ellie | Episode: "Love Is a Headache" |
| 1959 | The Ann Sothern Show | Connie | Episode: "The Sal Mineo Story" |
| 1960–1962 | The Clear Horizon | Lois Adams | Series regular |
| 1960 | The Twilight Zone | Jody Sturka | Episode: "Third from the Sun" |
| 1960 | Letter to Loretta | Joyce Parker | Episode: "Plain, Unmarked Envelope" |
| 1960 | The Detectives | Donna | Episode: "Armed and Dangerous" |
| 1960 | The Many Loves of Dobie Gillis | Jini Metzger | Episode: "Rock-A-Bye Dobie" |
| 1960 | The Blue Angels (TV series) | Sally Beckett | Episode: "Blind Flight" |
| 1961 | The Detectives | Madge Snyder | Episode: "The Frightened Ones" |
| 1961 | The Barbara Stanwyck Show | Janue Hunter | Episode: "Call Me Annie" |
| 1961 | Angel | | Episode: "Goodbye, Young Lovers" |
| 1961 | Sea Hunt | Caroline Tucker | Season 4, episode 23: "Baby" |
| 1962 | Ben Casey | Ann Muller | Episode: "A Memory of Candy Stripes" |
| 1962 | Stoney Burke | Arlette Hughes | Episode: "The Mob Riders" |
| 1962 | The Virginian | Mildred Kroeger | Episode: "Impasse" |
| 1963 | Ben Jerrod | Emily Sanders | Series regular |
| 1963 | Combat! | Annette | Season 1 Episode 21 "No Time for Pity" |
| 1964 | Combat! | Jacqueline | Season 2 Episode 18 "The General and the Sergeant" |
| 1964 | The Fisher Family | Lois | Episode: "The Trap of Freedom" |
| 1965 | Diamond Jim: Skulduggery in Samantha | Catherine | TV movie |
| 1965 | That Funny Feeling | Helen | |
| 1966–1973 | Days of Our Lives | Susan Martin | Series regular |
| 1973 | The ABC Afternoon Playbreak | Laura | Episode: "The Gift of Terror" |
| 1973–1984,1996–2009, 2013,2017, 2019, 2021 | General Hospital | Lesley Webber | Series regular (1973–1984), Recurring (1996–2009, 2013), guest (2017, 2019, 2021)Nominated − Daytime Emmy Award for Outstanding Lead Actress in a Drama Series (1976) |
| 1976 | The Lindbergh Kidnapping Case | Violet Sharpe | TV movie |
| 1983 | Shaft of Love | Maxine Burke | TV movie |
| 1984 | Hotel | Gail McLain | Episode: "Lifelines" |
| 1986–1989, 1991 | Another World | Mary McKinnon | Series regular |
| 1995 | Zoya | Axelle | TV movie |
| 1997–1998 | Sunset Beach | Sister Beatrice | 15 episodes |
| 2010–2012 | Pretty the Series | Louise Fitzpatrick | 8 episodes |
| 2013 | The Inn | Lola | 10 episodes |
