2026Nova '78— Self (archive footage)
2025Ladies & Gentlemen... 50 Years of SNL Music— Self (archive footage)
2022Robert Wilson – Die Schönheit des Geheimnisvollen— Self
2022Un lugar llamado música— Self
2021War and the Weather
2017Trophy— Himself
2017The Last Dalai Lama?— Self
2015The Viking of Sixth Avenue— Self
2014What Difference Does It Make?— Self
2012Paul Simon: Under African Skies— Self
2011Lucinda Childs' Dance— Self
2010Music— Self
2008Patti Smith: Dream of Life— Self
2008Richard Serra: Man of Steel— Self
2008Wild Combination: A Portrait of Arthur Russell— Self
2008Making Mishima
2007Glass: A Portrait of Philip in Twelve Parts— Self
2007365 Day Project— Self
2006The Harry Smith Project Live— Self
2006Refuge— Self
2006Phil Glass Plays for Ralph Steiner's Mechanical Principles
2005The Best of Secter & the Rest of Secter— Self
2005Philip Glass: Looking Glass— Himself
2005Kiki and Herb Reloaded— Self
2003Powaqqatsi: Impact of Progress— self
2002The Outsider: The Story of Harry Partch— Self - Interviewee
2002Essence of Life— Interviewee
2002Impact of Progress— Self
2001In the Ocean
1999A Brief History of Errol Morris— Self
1999The Source— Self
1997Classic Albums: Paul Simon - Graceland— Self
1997Perfect Moment— Self
1990John Cage: Man and Myth— Self
1987Robert Wilson and the Civil Wars
1986The Kitchen Presents: Two Moon July
1986Bye Bye Kipling— Self
1986A Composer’s Notes: Philip Glass and the Making of an Opera— Himself
1985Einstein on the Beach: The Changing Image of Opera— composer (himself)
1983Four American Composers: Philip Glass— Himself
1975What Maisie Knew
1971New Music: Sounds and Voices from the Avant-Garde New York 1971— Self
1968Hands Scraping
—The Making of "Once Within a Time"— Self
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