2020İlk İnek— Man with Raven
2019The Circuit
2019Windows on the World— Maury
2019Raising Buchanan— President James Buchanan
2019The Little Mermaid Live!— Louis (archive footage) (voice)
2018What We Left Behind: Looking Back at Star Trek: Deep Space Nine— Self
2016Mutlak Kadınlar— Albert
2016Blood Stripe— Art
2016Way Out on a Limb— Self
2016Way Out on a Limb
2015This Is Happening— Cal Plotz
2014Uçaklar 2: Söndür ve Kurtar— Concierge (voice)
2014Planes: Fire & Rescue: Cad Spinner— André (voice)
2013The Sixth Gun— Von Allen / Montcrief
2013Evermore— Grandpa
2012Get a Life!— Self
2011The Captains— Self
2010The Making of Fallout: New Vegas— Self
2009Le Door— Le Door
2008Hornswiggle— Hornswiggle (voice)
2008Dispatches from Nicaragua
2007Scooby-Doo: Agence toutou risques, vol. 2 : Le fantôme de la télé— (voice)
2007Scooby-Doo: Agence toutou risques, vol. 1 : Le voleur de vélo— (voice)
2007Scooby-Doo Buz Gibi— Alphonse LaFleur (voice)
2007Andrew Jackson: Good, Evil & The Presidency— James Parton (voice)
2005Stewie Griffin: The Untold Story— Odo (voice)
2005Geppetto's Secret— Mr. Sneap
2003Trials and Tribble-ations: Uniting Two Legends— Self
2002Witness to Hope: The Life of Karol Wojtyla, Pope John Paul II— Narrator (voice)
2002Woodrow Wilson— Self - voice
2002Tarzan ve Jane— (voice)
2002Dance of the Vampires— Professor Abronsius
2001Burning Down the House— Pierre
2000Geppetto— Prof Buonragazzo
2000Joseph: Rüyaların Kralı— Butler (voice)
2000Sally Hemings: An American Scandal— James Callender
2000Küçük Deniz Kızı 2: Denize Dönüş— Chef Louis (voice)
2000Vatansever— Reverend Oliver
2000Enlisted: The Story of 'M*A*S*H'— Self
2000Altman on His Own Terms— Self
1999Müfettiş Gadget— Artemus Bradford
1999We All Fall Down— Tim
1998Amerikan Fare 3 : Manhattan Adasının Hazinesi— Dithering (voice)
1997Snide and Prejudice— Dr. Sam Cohen
1997Los Locos— Presidente
1997Kediler Dans Edemez— Flanigan (voice)
1996The Making of Star Trek Deep Space Nine Trials And Tribble-ations— Self
1996Star Trek: 30 Years and Beyond— Self
1995Batman Daima— Dr. Burton
1995Star Trek: Deep Space Nine - The Way of the Warrior— Odo
1993Küçük Jo'nun Öyküsü— Streight Hollander
1993Star Trek: Deep Space Nine - Behind the Scenes— Himself
1993Star Trek: Deep Space Nine - Emissary— Odo
1992Oyuncular— René Auberjonois
1992The Lost Language of Cranes— Geoffrey Lane
1992The Sands of Time— Prime Minister
1992Wild Card— Jake Spence
1991Absolute Strangers— Quinn
1991Timeless Tales from Hallmark: Puss in Boots— voice
1991Uzay Yolu VI: Keşfedilmemiş Ülke— Colonel West (uncredited)
1989Küçük Denizkızı— Louis (voice)
1989A Connecticut Yankee in King Arthur's Court— Merlin
1989Kin— Reverton
1988Longarm— Gov. Lew Wallace
1988Polis Akademisi 5: Miami Sahili Görevi— Tony
1987Walker— Maj. Siegfried Hennington
1987My Best Friend Is a Vampire— Modoc
19863:15 the Moment of Truth— Horner
1986The Christmas Star— Sumner
1986A Smoky Mountain Christmas— Ned
1983Sleeping Beauty— King Boris
1982The Kid From Nowhere— Howard
1982The Smurfs Christmas Special— Stranger (voice)
1982The Tale of the Frog Prince— King Ulrich
1980Where the Buffalo Roam— Harris
1980More Wild Wild West— Capt. Sir David Edney
1979The Wild Wild West Revisited— Capt. Sir David Edney
1979Once Upon a Midnight Scary— Ichabod Crane
1978Laura Mars'ın Gözleri— Donald Phelps
1976King Kong— Roy Bagley
1976Çılgın Yolculuk— Father Kudos
1976Panache— Panache
1975The Hindenburg— Major Napier
1975Upcoming Season— Roberts
1974King Lear— Edgar
1973The Birdmen— Halden Brevik / Olav Volda
1973Shirts/Skins— Sidney Krebs
1973Incident at Vichy— Monceau, An Actor
1972Images— Hugh
1972Pete 'n' Tillie— Jimmy Twitchell
1971Brewster McCloud— The Lecturer
1971McCabe ve Bayan Miller— Sheehan
1971Teenage Tease
1971Once Upon a Dead Man— Andre Stryker
1968Petulia— Fred Six (uncredited)
1964Lilith— Howie (uncredited)
—Cortex— Parks
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