Singin' in the Rain is a classic 1952 musical comedy film starring Gene Kelly, Debbie Reynolds, and Donald O'Connor. Set in Hollywood in the late 1920s, the movie follows the story of a silent movie star, Don Lockwood, and his sidekick Cosmo Brown as
From Wikipedia
Singin' in the Rain is a 1952 American musical romantic comedy film directed and choreographed by Gene Kelly and Stanley Donen, starring Kelly, Donald O'Connor and Debbie Reynolds, with Jean Hagen, Millard Mitchell, Douglas Fowley, Rita Moreno and Cyd Charisse in supporting roles. It offers a lighthearted depiction of Hollywood in the late 1920s, with the three stars portraying performers caught up in the transition from silent films to "talkies".