He also played unscrupulous Broadway producer Harold Hecuba on an episode of Gilligan's Island, stealing the castaways' concept for a musical version of Hamlet. In an episode of The Lucy Show, Silvers was a demanding efficiency expert; at one point, Lucy's boss Mr. Mooney (Gale Gordon), remarks that Silvers reminds him of a sergeant he used to know. Silvers also portrayed greedy connivers in various movies, such as It's a Mad, Mad, Mad, Mad World (1963), in which Paul Ford had a supporting role as a colonel, though they shared no scenes, and A Funny Thing Happened on the Way to the Forum (1966).