FilmRoasters: Zardoz - Just mentioning our riff of this got me a free copy of Manos: The Hands of Fate from Trace Beaulieu; "Thanks for taking Zardoz off our hands."
In Chaplin (1992), Robert Downey, Jr. performs as Charlie Chaplin portraying Adolph Hitler. This is because he's a dude disguised as a dude playing another dude.