Acting

—		LIZA: A Truly Terrific Absolutely True Story
—		Witnesses to the Holocaust: The Trial of Adolf Eichmann as Narrator

2023

as Self (voice)

2021

as "Sunday" Legend #4

2019		On Broadway as Self (archive footage)
2019		Fiddler: A Miracle of Miracles as Himself
2019		It Takes a Lunatic as Self

2014

as Self

2013

as Narrator

2008		Hollywood Singing and Dancing: A Musical History as Self
2008		Choke as Phil

2007

as Narrator

2004

as The Wonderful Wizard of Oz

2003

as Host (segment "Leading Men") / Emcee (segment "Cabaret")

2002

as Self

2001

as Dr. Mensley (segment "Reaching Normal")

2000		The Fantasticks as Amos Bellamy
2000		Dancer in the Dark as Oldrich Novy

1999

as The Ghost of Christmas Past

1997

as Self

1996		My Friend Joe as Simon
1996		The Empty Mirror

1995		Venus Rising as Jimmie
1995		The Wizard of Oz in Concert: Dreams Come True as Professor Marvel / The Gatekeeper / The Carriage Driver / The Palace Guard / The Wizard of Oz
1995		The Dangerous as Flea

1993

as Willy Stone

1992		The Player as Joel Grey
1992		Robert Altman's Players as Self

1991		Kafka as Burgel
1991		Marilyn and Me as Johnny Hyde

1990

as Self

1985

as Chiun

1982		The Yeomen of the Guard as Jack Point
1982		Night of 100 Stars as Self

1980

as Self - Host

1976		The Seven-Per-Cent Solution as Lowenstein
1976		Buffalo Bill and the Indians, or Sitting Bull's History Lesson as The Producer (Nate Salisbury)

1974		'Twas the Night Before Christmas as Joshua Trundle (voice)
1974		Man on a Swing as Franklin Wills

1972		Man On A String as Big Joe Brown
1972		Cabaret as Master of Ceremonies
1972		The Recreation of an Era

1970

as George M. Cohan

1961

as Beagle

1957

1952

as Bender