Acting

—		The Making of "Once Within a Time" as Self
—		New Music: Sounds and Voices from the Avant-Garde New York 1971 as Self

2022		A Place Called Music as Self
2022		Robert Wilson: The Beauty of the Mysterious as Self

2021

2017		The Last Dalai Lama? as Self
2017		Uncle Howard as Self (archive footage)
2017		Trophy as Himself

2014

as Self

2012

as Self

2011

as Self

2010

as Self

2009

2008		Wild Combination: A Portrait of Arthur Russell as Self
2008		Making Mishima
2008		Patti Smith: Dream of Life as Self

2007

as Self

2006

as Self

2005		Kiki and Herb Reloaded as Himself
2005		The Best of Secter & the Rest of Secter as Self
2005		Philip Glass: Looking Glass as Himself

2004

(1 episode) as Self

2002		Essence of Life as Interviewee
2002		Impact of Progress as Self
2002		The Outsider: The Story of Harry Partch as Himself (Interviewee)

1999		A Brief History of Errol Morris as Self
1999		The Source as Self

1998

as Keyboard Artist

1997		Classic Albums (1 episode) as Self
1997		Perfect Moment as Himself
1997		Classic Albums: Paul Simon - Graceland as Self

1987

1986		A Composer’s Notes: Philip Glass and the Making of an Opera as Himself
1986		The Kitchen Presents: Two Moon July
1986		Tea with Tosh (2 episodes) as Self
1986		Bye Bye Kipling as Self

1985

as composer (himself)

1983

as Himself

1978

(1 episode) as Self

1975		Saturday Night Live (1 episode) as Self - Musical Guest
1975		What Maisie Knew

1974

as Himself

1968