Light of Day is a 1987 American musical drama film starring Michael J. Fox, Gena Rowlands and Joan Jett in her film debut. It was written and directed by Paul Schrader. The original music score was composed by Thomas Newman and the cinematography is by John Bailey.

Michael Andrew Fox, known professionally as Michael J. Fox, is a Canadian and American activist and retired actor. Beginning his career as a child actor in the 1970s, he rose to prominence portraying Alex P. Keaton on the NBC sitcom Family Ties (1982–1989) and Marty McFly in the Back to the Future film trilogy (1985–1990). Fox went on to star in films such as Teen Wolf (1985), The Secret of My Success (1987), Casualties of War (1989), Doc Hollywood (1991), and The Frighteners (1996). He returned to television on the ABC sitcom Spin City in the lead role of Mike Flaherty (1996–2000).