The Miracle of Sound
From Wikipedia, the free encyclopedia
The Miracle of Sound is a 1940 short documentary, starring Jeanette MacDonald, Nelson Eddy, Clark Gable, Hedy Lamarr, Spencer Tracy, Norma Shearer, Robert Taylor, Conrad Veidt, Alla Nazimova, Ann Sothern, Ruth Hussey, Walter Pidgeon, Greer Garson, Robert Young, Lew Ayres, Lionel Barrymore, Laraine Day, Judy Garland, Lana Turner, Joan Crawford, Cary Grant, Katharine Hepburn, and James Stewart all as themselves.
