Arnold Horshack Dies At 63

Ron Palillo, actor who played nerdy teen Arnold Horshack on ‘Welcome Back, Kotter’ dies at 63

WEST PALM BEACH, Fla. — Ron Palillo, the actor best known as the nerdy high school student Arnold Horshack on the 1970s sitcom “Welcome Back, Kotter,” died Tuesday in Palm Beach Gardens, Fla. He was 63.

Palillo suffered an apparent heart attack at his home about 4 a.m., said Karen Poindexter, a close friend of the actor. He was pronounced dead at Palm Beach Gardens Medical Center.

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