Michael Andrew Fox (born June 9, 1961), known professionally as Michael J. Fox, is a Canadian-American retired actor, author, film producer, and activist. Beginning his career in the 1970s, he first rose to prominence for portraying Alex P. Keaton on the NBC sitcom Family Ties (1982–1989). Fox achieved further recognition as protagonist Marty McFly in the Back to the Future film trilogy (1985–1990). The trilogy's critical and commercial success led to Fox headlining several films throughout the 1980s and 1990s, including Teen Wolf (1985), The Secret of My Success (1987), Casualties of War (1989), and The Frighteners (1996). He returned to television on the ABC sitcom Spin City, where he portrayed the lead role of Mike Flaherty from 1996 to 2000.
You may find more from Michael J. Fox on Wikiquote
There's a rule in acting called, "Don't play the result." If you have a character who's going to end up in a certain place, don't play that until you get there. Play each scene and each beat as it comes. And that's what you do in life: You don't play the result.