Stanley Donen (April 13, 1924-February 23, 2019) was an American film director and choreographer hailed by David Quinlan as "the King of the Hollywood musicals". His most celebrated work was Singin' in the Rain (1952), which he co-directed with Gene Kelly. Description above from the Wikipedia article Stanley Donen, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Charade
as Man in Elevator (voice) (uncredited)
Movie Movie
as Nightclub Emcee / Cab Driver (uncredited)
Mike Nichols: An American Master
as Self
Gene Kelly: Anatomy of a Dancer
as Self (archive footage)
Filmmakers vs. Tycoons
as Self
Audrey Hepburn: Remembered
as Self
Best Foot Forward
as Cadet
Stanley Donen: You Just Do It
as Himself
It's Always Fair Weather: Going Out on a High Note
as Self (Archive Footage)
The Hollywood Soundtrack Story
as Self