Born in New York City in 1928, Bethel Leslie was a prolific stage, film and TV actress, active on and off Broadway from 1944 to 1999, and in film and television from 1949 to 1999. She was also an occasional screenwriter for television. Beside the stage, she worked mainly in television, in numerous TV series such as "Perry Mason", "Rawhide", "Wagon Train" and "Gun Law".
| Movie | Uninvited | Mrs. Wentworth | 2000-05-19 |
| Movie | Message in a Bottle | Marta Land | 1999-02-22 |
| Movie | Saint Maybe | Mrs. Dulcimer | 1998-11-22 |
| Series | In Cold Blood | 1996-11-24 | |
| Movie | Kansas | Mabel 'Nana' Farley | 1995-07-27 |
| Movie | Long Day's Journey Into Night | Mary Tyrone | 1987-04-13 |
| Movie | Ironweed | Librarian | 1987-12-18 |
| Series | The Equalizer | Unknown | 1985-09-18 |
| Movie | The Girl on the Edge of Town | Mrs. Morton | 1981-04-04 |
| Movie | Old Boyfriends | Mrs. Vantil | 1979-03-22 |
| Movie | Beyond Death's Door | 1979-08-24 | |
| Series | The White Shadow | Unknown | 1978-11-27 |
| Movie | The Gift of Love | Agnes | 1978-12-08 |
| Movie | The Last Survivors | Inez Haynes | 1975-03-04 |
| Series | Kung Fu | Unknown | 1972-10-14 |
| Movie | Dr. Cook's Garden | Essie Bullitt | 1971-01-19 |
| Movie | The Molly Maguires | Mrs. Kehoe | 1970-02-08 |
| Series | The High Chaparral | Unknown | 1967-09-10 |
| Series | Mannix | Unknown | 1967-09-16 |
| Movie | The Ambassadors | Maria Gostrey | 1965-01-01 |
| Series | The Wild Wild West | Unknown | 1965-09-17 |
| Movie | A Rage to Live | Amy Hollister | 1965-10-20 |
| Series | The Loner | Unknown | 1965-09-18 |
| Series | Daniel Boone | Unknown | 1964-09-24 |
| Movie | Captain Newman, M.D. | Mrs. Helene Winston | 1963-12-25 |
| Series | The Richard Boone Show | Unknown | 1963-09-24 |
| Series | The Fugitive | Unknown | 1963-09-17 |
| Series | Bob Hope Presents the Chrysler Theatre | Unknown | 1963-10-04 |
| Series | The Virginian | Unknown | 1962-09-19 |
| Series | Cain's Hundred | Unknown | 1961-09-19 |
| Series | Target: The Corruptors! | Unknown | 1961-09-29 |
| Series | Kraft Mystery Theatre | Unknown | 1961-06-14 |
| Series | Bus Stop | Unknown | 1961-10-01 |
| Series | Straightaway | Unknown | 1961-10-06 |
| Series | Ben Casey | Unknown | 1961-10-02 |
| Movie | The Bat | Dale Ogden | 1960-03-29 |
| Series | Thriller | Unknown | 1960-09-13 |
| Series | Hong Kong | Kate Martin | 1960-03-01 |
| Series | Checkmate | Cynthia Jordan | 1960-09-17 |
| Series | Route 66 | Unknown | 1960-10-07 |
| Series | One Step Beyond | Unknown | 1959-01-20 |
| Series | Rawhide | Unknown | 1959-01-09 |
| Movie | The Rabbit Trap | Abby Colt | 1959-06-01 |
| Series | Riverboat | Unknown | 1959-09-13 |
| Series | The DuPont Show with June Allyson | Unknown | 1959-09-21 |
| Series | Adventures in Paradise | Unknown | 1959-10-05 |
| Series | The Texan | Unknown | 1958-09-29 |
| Series | Naked City | Unknown | 1958-09-30 |
| Series | Wanted: Dead or Alive | Unknown | 1958-09-06 |
| Series | Bat Masterson | Unknown | 1958-10-08 |
| Series | The Rifleman | Unknown | 1958-09-30 |
| Series | Have Gun, Will Travel | Unknown | 1957-09-14 |
| Series | Richard Diamond, Private Detective | Unknown | 1957-07-01 |
| Series | M Squad | Unknown | 1957-09-20 |
| Series | Perry Mason | Unknown | 1957-09-21 |
| Series | Trackdown | Unknown | 1957-10-04 |
| Series | Maverick | Unknown | 1957-09-22 |
| Series | Gunsmoke | Unknown | 1955-09-10 |
| Series | The Millionaire | Unknown | 1955-01-19 |
| Series | Alfred Hitchcock Presents | Unknown | 1955-10-02 |
| Series | December Bride | Unknown | 1954-10-04 |
| Series | Climax! | Unknown | 1954-10-07 |
| Series | Letter to Loretta | Unknown | 1953-09-20 |
| Series | Tales of Tomorrow | Unknown | 1951-08-03 |
| Series | Love of Life | 1951-09-24 | |
| Series | Hallmark Hall of Fame | Unknown | 1951-12-24 |
| Series | Lights Out | Unknown | 1949-07-19 |
| Series | The Ed Sullivan Show | Unknown | 1948-06-20 |
| Series | Studio One | Unknown | 1948-11-07 |
| Series | The Philco Television Playhouse | Unknown | 1948-10-03 |