**FILE**Master of Ceremonies Bud Collyer, rear, poses with the panel of the "To Tell The Truth" quiz show on CBS in 1957. Panelists from left to right are: Polly Bergen, Ralph Bellamy, Kitty Carlisle and Hy Gardner . Hart, whose long career spanned Broadway, opera, television and film, including the classic Marx Brothers movie "A Night at the Opera," has died at age 96, her son said Wednesday, April 18, 2007.(AP Photo)