Actor Ron Palillo performs “Adelaide’s Lament” during the 2009 Broadway Backwards at the American Airlines Theatre in New York City. (Astrid Stawiarz / Getty Images)
Ron Palillo, who played Horshack on “Welcome Back, Kotter,” dies at 63.
Actors Ron Palillo, Barry Williams, Alison Arngrim, Dawn Wells, Jimmie Walker, Jerry Mathers, William Katt and Bernie Kopell pose for a portrait during the sixth annual TV Land Awards held at Barker Hangar in Santa Monica. (Todd Williamson / Getty Images for TV Land)
