Question: What was the name of the 1977 film Charlotte Rae starred in?

Context articles: The Facts of Life (TV series)
Diff'rent Strokes
Queen of the Stardust Ballroom
Mindy Cohn
The Facts of Life Goes to Paris
Trevor Thomas (actor)
The Facts of Life Reunion
Another Woman's Husband
Charlotte Rae
Sidewinder 1

The Facts of Life is an American sitcom and a spin-off of "Diff'rent Strokes" that originally aired on NBC from August 24, 1979, to May 7, 1988, making it one of the longest-running sitcoms of the 1980s.
 The series focuses on Edna Garrett (Charlotte Rae) as she becomes a housemother (and after the second season, a dietitian as well) at the fictional Eastland School, an all-female boarding school in Peekskill, New York.
Diff'rent Strokes is an American sitcom that aired on NBC from November 3, 1978, to May 4, 1985, and on ABC from September 27, 1985, to March 7, 1986.
 The series stars Gary Coleman and Todd Bridges as Arnold and Willis Jackson, two African American boys from Harlem who are taken in by a rich white Park Avenue businessman and widower named Phillip Drummond (Conrad Bain) and his daughter Kimberly (Dana Plato), for whom their deceased mother previously worked.
 During the first season and first half of the second season, Charlotte Rae also starred as the Drummonds' housekeeper, Mrs. Garrett (who ultimately spun off into her own successful sitcom, "The Facts of Life").
Queen of the Stardust Ballroom is an American television movie directed by Sam O'Steen and executive-produced by Roger Gimbel, from the teleplay by Jerome Kass.
 It was broadcast by CBS on February 13, 1975.
 Maureen Stapleton, Charles Durning, and Charlotte Rae were nominated for an Emmy Award for their performances.
Melinda Heather "Mindy" Cohn (born May 20, 1966) is an American actress, voice actress, comedian and singer.
 She is known for her role as Natalie Green, the student of Edna Garrett (played by Charlotte Rae) in the long-running sitcom "The Facts of Life", and for being the voice of Velma Dinkley in the "Scooby-Doo" franchise from 2002 to 2015.
The Facts of Life Goes to Paris is a 1982 American made-for-television comedy film based on the sitcom "The Facts of Life" starring Charlotte Rae, Lisa Whelchel, Kim Fields, Mindy Cohn and Nancy McKeon.
 The film originally aired September 25, 1982 on NBC, four days before the 1982–1983 premiere of "The Facts of Life".
 When the series went into syndication, the film was split into four half-hour episodes and added to "The Facts of Life" syndication package.
Trevor Thomas is a British actor.
 He acted mostly around the late 1970s mostly in television programmes, but also starred in the 1977 film "Black Joy", alongside Norman Beaton, as well as in stage productions.
 Thomas's other film credits include "Yesterday's Hero" (1979), "Inseminoid" (1981), "Sheena" (1984), "Underworld" (1985), "Playing Away" (1987) and "The Nine Lives of Tomas Katz" (2000).
 His television appearances include "" (1976), "The Fosters" ("Take Your Partners", 1977), "The Professionals" ("Klansmen", 1977), "Rockliffe's Babies" ("Sweet and Sour Revenge", 1987), "Silent Witness" ("The World Cruise", 2000), "Minder" ("Gunfight at the O.K. Laundrette", 1979, and "Fiddler on the Hoof", 1989) and "The Sweeney" ("The Bigger They Are", 1978).
The Facts of Life Reunion is a 2001 American made-for-television comedy film based on the 1979–1988 NBC sitcom "The Facts of Life" which reunited original cast members Charlotte Rae, Lisa Whelchel, Mindy Cohn and Kim Fields, with the exception of Nancy McKeon, who was unable to participate due to scheduling conflicts with her television series "The Division".
Another Woman's Husband is a 2000 television movie starring Gail O'Grady, Lisa Rinna, Dale Midkiff, Sally Kirkland, Charlotte Rae, Bob Larkin, Amzie Strickland and Carroll Baker.
 It was directed by Noel Nosseck and written by Anna Tuttle Villegas and Lynne Hugo.
Charlotte Rae (born Charlotte Rae Lubotsky; April 22, 1926) is an American character actress of stage, comedian, singer and dancer whose career spans six decades.
Sidewinder 1 is a 1977 American action film directed by Earl Bellamy and written by Nancy Voyles Crawford and Thomas A. McMahon.
 The film stars Marjoe Gortner, Michael Parks, Susan Howard, Alex Cord, Charlotte Rae and Barry Livingston.
 The film was released on September 21, 1977, by AVCO Embassy Pictures.