| Year | Title | Role | Notes |
| 1957–1964 | The Danny Thomas Show | Linda Williams | Series regular |
| 1958 | The Lucy-Desi Comedy Hour | Linda Williams | Episode: "Lucy Makes Room for Danny" |
| Whirlybirds | Susan Davis | Episode: "Glamour Girl" |
| 1960 | Shirley Temple's Storybook | Jane | Episode: "Babes in Toyland" |
| Alfred Hitchcock Presents | Irenee Wellington | Season 5 Episode 35: "The Schartz-Metterklume Method" (uncredited) |
| 1961 | The Red Skelton Hour | Girl | 1 episode. uncredited |
| 1965 | The John Forsythe Show | | Episode: "Little Miss Egghead" |
| My Three Sons | Alice Vail | Episode: "The Glass Sneaker" |
| 1965–1968 | Lost in Space | Penny Robinson | Series regular |
| 1969 | My Three Sons | Debbie Hunter | Episode: "Chip and Debbie" |
| Calling Dr. Gannon | Angela | Episode: "Operation Heartbeat" |
| 1970–1971 | Make Room for Granddaddy | Linda Williams | Series regular |
| 1971 | Adam-12 | Cindy Williams | Episode: "Assassination" |
| 1972 | Room 222 | Phyllis Nichols | 2 episodes |
| 1977 | Logan's Run | Karen | Episode: "The Collectors" |
| 1982 | The Love Boat | Yanne | Episode: "Baby Talk/My Friend, the Executrix/Programmed for Love" |
| 1985 | Airwolf | Mrs. Cranovich | Episode: "Eruption" |
| 2018 | Lost in Space | Sheila Harris | Episode: "Echoes" |
