A man of many roles, he played a starring one for the Lobos

He was mailman Cliff Clavin’s enormous (and scary) friend Lewis on two episodes of “Cheers.” He was a referee in “The Karate Kid.” He was a patient in “ER” in two episodes, first Mr. Parnell, then Willy Archibald, 14 years apart. He was an elderly man spending quality time with his adult son in a McDonald’s commercial. Years earlier, Sam Scarber played a starring role as a pile-driving ...