A legendary icon retired (26 photos) Megan Resig on Sep 4, 2013 in Celebrity "News" View as Slideshow 1 Jack Nicholson called it quits with acting. The 76-year-old has a legitimate reason, too. He has developed memory loss over time and would have trouble memorizing lines if he continued. -source Check out some memorable pics below! View as Slideshow 12345678910111213141516171819202122232425 Category: Celebrity "News"