Edmund Gwenn played Santa Claus in the actual...

Unbeknownst to most parade watchers, Edmund Gwenn played Santa Claus in the actual Macy's Thanksgiving Day Parade held November 28, 1946. He fulfilled the duties of most parade Santas, including addressing the crowd from the marquee of Macy's after the parade was over. He was introduced to the crowd by actor Philip Tonge (he played Mr. Shellhammer in the movie) and he later unveiled the mechanical Christmas display windows to the accompaniment of Pyotr Ilyich Tchaikovsky's "Nutcracker Suite." This gesture symbolized the opening of the Christmas shopping season at the store.