In 1977, Robert was nominated for a David Award at the David di Donatello Awards in the category of Best Foreign Film (Miglior Film Straniero) for his 1976 film Marathon Man.
Robert married Phyllis George on April 14, 1977. They divorced on July 22, 1978. They had no children together. Although the fourth wife for Robert, this was the first marriage for Phyllis.
Robert: I've always been a gambler; I've always taken risks. Anyone who says you will always win if you take a risk is a liar, because it's not a risk then.