Jack Nicholson is not retiring from acting at age 76 UPI 9/5/2013 1:00:03 PM LOS ANGELES, Sept. 5 (UPI) -- Hollywood screen icon Jack Nicholson is not retiring from acting, contrary to a media report claiming he is, E! News said. A story making the rounds Wednesday alleged the 76-year-old triple-Oscar-winning actor is retiring from show business due to memory loss or dementia. But E! News said the report is completely false and Nicholson is actively reading scripts for future possible projects.