Welcome Back Kotter | Soap Opera Network

Welcome Back Kotter

Tuesday, August 14, 2012 4:44 PM EDT
Ron Palillo, best known for his star turning role as Arnold Horshack on "Welcome Back, Kotter​," has died, reports TMZ. The actor appeared as Gary Warren in episodes of "One Life to Live" in 1994. He died this morning of an apparent heart attack.