Dionysus in '69 [1] is a 1970 film directed by Brian De Palma, Robert Fiore and Bruce Rubin.

[2][3] It was entered into the 20th Berlin International Film Festival.

In contrast to the previous non-recorded performances, actors are not fully naked during central scenes so as to ensure distribution to movie theaters.

[5] The film makes use of split screen to show both actors and audience involvement in parallel.

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