| # | Fact |
|---|
| 1 | Although she played Suzy Parker's daughter in The Twilight Zone: Number 12 Looks Just Like You (1964), she was only two years her junior in real life. |
| 2 | First husband Walter Beakel directed her and Ben Piazza in a 1961 presentation of "Romeo and Juliet". |
| 3 | Husband Scott Paxton was 18 years her junior. They were married for 30 years before her death. |
| 4 | Both she and her To Kill a Mockingbird (1962) co-star, Brock Peters, were involved in the civil rights movement and NAACP. |
| 5 | Born in Cincinnati, she was raised in Highlands, North Carolina. |
| 6 | Studied drama at the University of Tennessee. |
| 7 | Turned her North Carolina theater space over to the local Barack Obama presidential campaign. |
| 8 | Three adopted children (siblings abandoned by their mother) with Horne: Kimberly and William Horne, Michael G. Paxton. |
| 9 | Collins' Instant Theatre Company produced her script "Papa's Angels" at The Highlands Studio for the Arts in December of 1987. The script went through years of extensive re-writes before it became a full length play. It won the "Best Play of the Year Award" at The Grand Olde Players Theatre in Omaha, Nebraska two years running before Samuel French, Inc. published the play. The book, which is based on the play, was published by New World Library. CBS optioned "Papa's Angels" for a television movie, Papa's Angels (2000), starring Scott Bakula and Cynthia Nixon, which aired in December of 2000. |
| Title | Year | Status | Character |
|---|
| A Touch of Fate | 2003 | | Mrs. Kline |
| Carriers | 1998 | TV Movie | Martha Collin |
| Midnight in the Garden of Good and Evil | 1997 | | Woman at Party |
| The Crying Child | 1996 | TV Movie | Rachel Martin |
| Twisted Desire | 1996 | TV Movie | Rose Stanton (as Collin Wilcox-Paxton) |
| American Gothic | 1995 | TV Series | Mrs. Gardner |
| The Journey of August King | 1995 | | Mina |
| Christy | 1994-1995 | TV Series | Swannie O'Teale |
| Fluke | 1995 | | Bella |
| Death in Small Doses | 1995 | TV Movie | |
| Christy | 1994 | TV Movie | |
| The Portrait | 1993 | TV Movie | Chancellor |
| Wildflower | 1991 | TV Movie | Bessie Morgan |
| Foxfire | 1987 | TV Movie | Madge Burton |
| Marie | 1985 | | Virginia |
| Under This Sky | 1979 | TV Movie | Susan B. Anthony |
| A Rainy Day | 1978 | Short | Mother (as Collin Wilcox) |
| Jaws 2 | 1978 | | Dr. Elkins (as Collin Wilcox) |
| Little House on the Prairie | 1977 | TV Series | Beth Novak |
| September 30, 1955 | 1977 | | Jimmy J.'s Mother (as Collin Wilcox) |
| Hunter | 1977 | TV Series | Mrs. Reed |
| Quincy M.E. | 1977 | TV Series | Martha Harrison |
| Bert D'Angelo/Superstar | 1976 | TV Series | Nancy Rosing |
| Movin' On | 1976 | TV Series | Annie Beanvil |
| Medical Story | 1975 | TV Series | |
| The Lives of Jenny Dolan | 1975 | TV Movie | Mrs. Owens (as Collin Wilcox-Horn) |
| The Family Holvak | 1975 | TV Series | Ella Vane |
| The Manhunter | 1975 | TV Series | |
| Columbo | 1974 | TV Series | Ruth Stafford |
| A Cry in the Wilderness | 1974 | TV Movie | Bess Millard (as Collin Wilcox-Horne) |
| Cannon | 1972-1974 | TV Series | Vera Marks / Phyllis |
| The Autobiography of Miss Jane Pittman | 1974 | TV Movie | Mistress Bryant (as Collin Wilcox-Horne) |
| The Man Who Could Talk to Kids | 1973 | TV Movie | Honor Lassiter |
| The Streets of San Francisco | 1973 | TV Series | Katherine 'Kate' Evans |
| Owen Marshall, Counselor at Law | 1973 | TV Series | |
| Gunsmoke | 1972 | TV Series | Bess Frye |
| Circle of Fear | 1972 | TV Series | Molly Cameron |
| The Waltons | 1972 | TV Series | Reverend Ethel Prissom |
| Banyon | 1972 | TV Series | Ella Fisher |
| Ironside | 1972 | TV Series | Elizabeth Flanders |
| Longstreet | 1972 | TV Series | Verna |
| The Bold Ones: The New Doctors | 1971 | TV Series | Maxine Chandler |
| Medical Center | 1971 | TV Series | Claudia Welsley |
| Jump | 1971 | | April Mae (as Collin Wilcox-Horne) |
| The Immortal | 1970 | TV Series | Clarice Evans |
| The Baby Maker | 1970 | | Suzanne (as Collin Wilcox-Horne) |
| The Revolutionary | 1970 | | Ann (as Collin Wilcox-Horne) |
| Catch-22 | 1970 | | Nurse Cramer (as Collin Wilcox-Horne) |
| The Sound of Anger | 1968 | TV Movie | Ann Kochek |
| Death Valley Days | 1968 | TV Series | Sage Madison |
| The Name of the Game Is Kill! | 1968 | | Diz Terry (as Collin Wilcox) |
| Judd for the Defense | 1968 | TV Series | Vicky Anderson |
| The Virginian | 1967 | TV Series | Sarah Keogh |
| The Felony Squad | 1967 | TV Series | Ellie Walker |
| The Road West | 1967 | TV Series | Frances |
| The F.B.I. | 1966-1967 | TV Series | Hanna / Stella |
| The Fugitive | 1965-1966 | TV Series | Mary Turner / Laura McElvey |
| Run for Your Life | 1966 | TV Series | Lisa Rand |
| The Long, Hot Summer | 1966 | TV Series | Katy Douglas |
| The Defenders | 1962-1965 | TV Series | Marilyn Andrews / Rita Bernard / Elinor Stafford |
| The Doctors and the Nurses | 1965 | TV Series | Nancy Landau |
| The Alfred Hitchcock Hour | 1964-1965 | TV Series | Selina / Thedy Sue Hill |
| Ben Casey | 1964 | TV Series | Susan Morgan |
| The Twilight Zone | 1964 | TV Series | Marilyn Cuberle |
| The Great Adventure | 1964 | TV Series | Elizabeth Cross |
| Route 66 | 1964 | TV Series | Diana |
| The Travels of Jaimie McPheeters | 1963 | TV Series | Emmy |
| Temple Houston | 1963 | TV Series | Dorris Chevenix |
| Dr. Kildare | 1962-1963 | TV Series | Lorena Henty / Winona Pine |
| To Kill a Mockingbird | 1962 | | Mayella Violet Ewell (as Collin Wilcox) |
| The Eleventh Hour | 1962 | TV Series | Angela Crain |
| The Untouchables | 1962 | TV Series | Francie Pavanos / Ann Gratzner |
| Great Ghost Tales | 1961 | TV Series | |
| Play of the Week | 1960 | TV Series | Mary |
| Dow Hour of Great Mysteries | 1960 | TV Series | |
| Alfred Hitchcock Presents | 1959 | TV Series | Julie |
| Brenner | 1959 | TV Series | Elizabeth Joplin |
| The DuPont Show of the Month | 1958 | TV Series | Frankie Addams |
| Twice Upon a Time | 1953 | | Ian |
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