According to an interview with Lee Purcell, she was chosen for the main role (to be teamed with Michael Douglas) from among dozens of young girls by Steve McQueen, whose company Solar Productions produced this movie. It is also the only Solar production in which McQueen does not appear.
Paramount announced a DVD of this film to be released on 7/1619. It previously announced this title for DVD in 2005, but that release never happened.
According to Michael Douglas, on Marc Maron/s "WTF" podcast from 1115/18, he knew Steve McQueen and that McQueen was a producer on this film.