Ron Palillo

Ron Palillo, an actor whose signature role was Arnold Horshack (above, third from left), a teenager with an infectious laugh in the 1970s TV sitcom "Welcome Back, Kotter," died Aug. 14, 2012. He was 63. Photos | 'Welcome Back Kotter': Where are they now? | Notable deaths of 2011
Kathy Bates / Handout; Nina Prommer / EPA
Copyright © 2016, Los Angeles Times