Louis Nye, born Louis Neistat, was a straight-faced comic actor whose television career spanned a half-century. Louis Nye earned his greatest fame as a regular on The Steve Allen Show. Some of his best-remembered roles were as Sonny Drysdale on The Beverly Hillbillies, various voices for the Inspector Gadget cartoon show, and as Jeff Greene's dad on Curb Your Enthusiasm. Louis Nye was married to pianist-songwriter Anita Leonard