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.
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.