Pam Klinger (Maggie) and Charles McGowan (Mike) met during the production, became a couple, and eventually married.
The song "Dance 10, Looks 3" was originally called "Tits and Ass," but it was changed so that the audience would not see that title listed in their programs. The logic was that if it were a surprise during the show, it would get a better audience reaction.
Terrence Mann (Larry) later married actress/dancer Charlotte d'Amboise. Two decades after Mann made this movie, d'Amboise played the role of Cassie in the 2006 Broadway revival of "A Chorus Line."
Lea Thompson revealed in an interview with Nerdist Podcast that she was offered the role of Kristine DeLuca but turned it down to appear in Back to the Future (1985).
Michael Bennett, the choreographer and director of the original Broadway production, was involved with the production at an early stage of development, but left because the producers were unwilling to give him the level of creative control he desired. He advised producer Cy Feuer not to put the movie's main focus on the relationship between Zack and Cassie.