By the Gods!

 John Gavin as Julius Caesar in SPARTACUS (1960)

John died on Feb 9 at the age of 86. His only PEPLUM role was that of Julius Caesar in SPARTACUS. It was a supporting role. He had a commanding physical presence whenever he was on screen. He's also more known for his role in Hitchcock's PSYCHO (1960). He quit acting after appearing in some TV shows like THE LOVE BOAT. At one point in his life, he became a US ambassador to Mexico. Below: with Charles Laughton