Future husband and wife Felicity Huffman and William H. Macy appear in this film. They were dating at the time.
According to an article in the 16th October 1988 edition of 'The New York Times', veteran actor Don Ameche was originally cast in a minor role as one of the Dons in the movie. However, after a meeting with lead actor Joe Mantegna and writer-director David Mamet, Mamet decided to cast Ameche in the other lead role of Gino.
Debut theatrical feature film of actor Clark Gregg who portrayed the Stage Manager.
'Things Change' (1988) was writer-director David Mamet's follow-up movie to his directorial debut 'House of Games' (1987). Both pictures featured many of the same cast and crew totaling to around about fifty common personnel between the two productions. This included such actors as Joe Mantegna, William H. Macy, J. T. Walsh, Ricky Jay, Jack Wallace, Mike Nussbaum, and Steven Goldstein.