2026Cornellskop: Freedom From Fear— Narrator
2026Antonio's Road— Breaking News Reporter (voice)
2025O Mother Gaia: The World of Gary Snyder— Self
2025Moment of Contact: New Revelations of Alien Encounters— Narrator (voice)
2025The Atomic Bowl: Football at Ground Zero -- And Nuclear Peril Today— Narrator
2025Black Mountain Blues
2024Bad Faith— Narrator (voice)
2024The Program— Narrator (voice)
2024Good Men— Self
2023Against All Enemies— Narrator
2023Fields of Gold— Narrator
2023Spirit of Golf— Self
2022A Cloud Never Dies— Narrator (voice)
2022Jerry Brown: The Disrupter— Self
2022Moment of Contact— Narrator (voice)
2022The Weight of a Feather: The Liberty Wildlife Story— Narrator
2022The Last Stand— Narrator (voice)
2021Downwinders and the Radioactive West— Narrator (voice)
2021Nepal Beyond— Narrator
2021Marriner Eccles: Father of the Modern Federal Reserve— Narrator
2021Wandering...But Not Lost— Narrator
2021The Co-op Wars— Narrator (voice)
2021The Girl Who Believes in Miracles— Sam Donovan
2021San Francisco Stories— Narrator/SInger
2020Sunseed: The Journey— Narrator (voice)
2020Almost Thirteen— Narrator
2020The Phenomenon— Narrator (voice)
2020About Face: Jewish Refugees in the Allied Forces— Narrator (voice)
2019Troubled Waters: A Turtle's Tale— Self - Narrator (voice)
2019Olompali: A Hippie Odyssey— narrator
2019The Atomic Tree— Narrator
2019Polanski, le travail à l'oeuvre— Self
2018The Etruscan Smile— Professor
2018The Mayo Clinic— Self - Narrator (voice)
2018Summer of Love— Himself
2018The Remarkable Life of John Weld— Narrator
2018As If They Were Angels— Narrator
2018Saving Atlantis
20171 Mile To You— Principal Umber
2017Spielberg— Self
2017The Beatles, Hippies & Hells Angels: Inside the Crazy World of Apple— Himself - Narrator
2017Revolution: The Legacy of the Sixties
2016Americana— Ben
2016Who Wants to Live Forever? The Wisdom of Aging.— Himself
2016The Reality of Truth— Self
2015La Rançon de la gloire— Crooker
2015No Deposit— Police Chief Williams
2015Eva ve Leon— Le Père
2015Zor Hedef— Langley
2015Girl on the Edge— Hank Taylor
2015Robert Bly: A Thousand Years of Joy— Self
2015A Coup in Camelot— Narrator (voice)
2015A Daring Journey: From Immigration to Education— Narrator
2014Realm of the Ancient Redwoods— Narrator
2014Angel Azul— Narrator
2014On a Marché sur Bangkok— Burt Lowell
2013Long Distance Revolutionary: A Journey with Mumia Abu-Jamal— Self
2013The Ghost Army— Narrator (Voice)
2013Paolo Soleri: Beyond Form— Narrator
2012Rise Above the Mark— Narrator
2012Cold War on Ice: Summit Series '72— Narrator
2012Right to Play— Narrator
2012Hemingway & Gellhorn— Maxwell Perkins
2012Valparaiso— Edward G. Drexler
2011Vuruşma— Thomas Morgan
2011Connected: An Autoblogography About Love, Death & Technology— Narrator (voice)
2011These Amazing Shadows— Self
2011This Is Not a Movie
2011Here— Storyteller
2011I am Fishead— narrator
2011Vasiyet— Judge Garner
2011Green Fire— Aldo Leopold (voice)
2011Bag It— Self
2011Oceans in Glass— Narrator
2010DiDi Hollywood— Michael McLean
2010What If Cannabis Cured Cancer— Narration
2010Vampire Forensics
2010Chattahoochee: From Water War to Water Vision— Narrator
2009Nazi Mystery - Twins From Brazil— Narrstor (voice)
2009Torturing Democracy— Narrator
2009For the Rights of All: Ending Jim Crow in Alaska— Self - Narrator (voice)
2009Huxley on Huxley— Self
2009Grand Canyon: A Journey of Wonder— Narrator
2009I Know What I Saw— Narrator (voice)
2009With One Voice— Narrator
2009Climbing Redwood Giants— Self - Narrator (voice)
2009Os Mistérios de Lisboa ou What The Tourist Should See— Narrator (voice)
200924 Hours After: Asteroid Impact— Narrator
2008Güzel Hayat— Burt Kruger
2008Dr. Dolittle 4— President Sterling
2008All Roads Lead Home— Hock
2008Hope & Redemption: The Lena Baker Story— Elliot Arthur
2008Adopt a Sailor— Richard
2008Texas Gold— Narrator
2008Illicit: The Dark Trade— Self - Narrator (voice)
2008The Brain Fitness Program
2008Alaska Far Away— Narrator
2008A Single Woman— Maury Maverick
2008Finding Anastasia— Narrator
2007One Man, One Cow, One Planet— Narrator
2007Strange Culture— Self
2007Soldiers Of Conscience— Self
2007Hippies— Self
2007The Sunday Man— The Voice
2007Şampiyonun Dirilişi— Ike Epstein
2007Fog City Mavericks— Self - Narrator (voice)
2006Düşman Hattı 2 - Felaket Ekseni— President Adair T. Manning
2006AKA Tommy Chong— Himself
2006The Gospel of Judas
2006The Gospel of Judas— Narrator
2006Woody Guthrie: Ain't Got No Home— Narrator (voice)
2006Darryl Henriques Is in Show Business— Self
2005Return of the Living Dead: Rave to the Grave— Uncle Charles
2005Enron: Odadaki Hoş Adamlar— Self - Narrator (voice)
2005Deepwater— Herman Finch
2005Cennete Kısa Bir Yolculuk— Frank
2005The Tribe— Voice
2005Return of the Living Dead: Necropolis— Uncle Charles
2005The War Prayer— Narrator
2005The Sacramento River of Life— Narrator
2005Commune— self, Black Bear resident
2004Shadow of Fear— Congressman Henderson
2004Le grand rôle— Rudolph Grichenberg
2004Oil on Ice— Narrator
2004Carlos Castaneda: Enigma of a Sorcerer
2003Northfork— Eddie
2003Written In Blood— John Traveller
2003Out of the Blue— Narrator (voice)
2003Hollywood's Magical Island: Catalina— Narrator (voice)
2003Grizzly Diaries— Narrator (voice)
2003Herkes Kendi Yoluna— Alex Winckler
2003Phenomenon II— John Ringold
2003The Hebrew Hammer— JJL Chief Bloomenbergensteinenthal
2003Bare Knuckle Filming: The Construction of Northfork— Narrator
2003National Geographic: Surviving Everest— Narrator
2002E.T. the Extra-Terrestrial 20th Anniversary Special— Self
2002Öldüren Kadın— Watts
2002A Time for Dancing— Wyn Michaels
2002Purpose— Bernard Elias
2002Empty Oceans, Empty Nets— Narrator (voice)
2002Polanski y los ojos del mal— Himself
2002Unprecedented: The 2000 Presidential Election— Narrator
2001Neighborhoods: The Hidden Cities of San Francisco - The Fillmore— Voice of Urban Renewal (Voice)
2001Suddenly Naked— Lionel Heathcote
2001Midwives— Stephen Hastings
2001In the Light of Reverence— Narrator (voice)
2001Jack the Dog— Alfred
2000Paranın Peşinde— Detective Darren Cody
2000The Basket— Martin Conlon
2000Red Letters— Dennis Burke
2000The Wednesday Woman— Don Wigulow
2000Search for the Submarine I-52— Narrator
1999Gerçeğin Peşinde— Cullen Chandler
1999Emperor of Hemp— Narrator
1999Last Call— Xuave
1999National Geographic Explorer: The Battle For Midway— Himself - Narrator
1999Execution of Justice— Harvey Milk
1999Missing in Tibet— Narrator
1999Murder on Shadow Mountain— Dennis 'Denny' Traynor
1998Küre— Captain Harold C. Barnes
1998Patch Adams— Bill Davis
1998Two for Texas— Jim Bowie
1998Seeds of Doubt
1998Indiscreet— Detective Roos
1998Route 9— Sheriff Dwayne Hogan
1998Les Diggers De San Francisco
1998National Geographic's Storm of the Century— Self - Narrator (voice)
1998Avalanche: The White Death— Narrator
1998Karmapa - Two Ways of Divinity— Narrator, English version (voice)
1998Unelmoija ja unikansa— Narrator
1998Titanic: Breaking New Ground— Narrator
1997Top of the World— Doc 'The Butcher'
1997Road Ends— Gene Gere
1997Alaska's Great Wilderness Denali: The Living Edens— Narrator
1997The Secrets of 007— Narrator (voice)
1997Murder in My Mind— Arthur Lefcourt
1996Unforgettable— Don Bresler
1996The Making of 'E.T. the Extra-Terrestrial'— Self
1996Terminal Justice— Deacon Vivyan
1996Dalva— Michael
1995Buffalo Kızlar— Buffalo Bill Cody
1995The First 100 Years: A Celebration of American Movies— Narrator
1995That Eye, the Sky— Henry Warburton
1995Moonlight and Valentino— Paul
1994Breach of Conduct— Col. Andrew Case
1994The Peyote Road— Narrator
1993Kika— Nicholas Pierce
1992Acı Ay— Oscar
1992Earth and the American Dream— Reader (voice)
1991A Grande Arte— Peter Mandrake
1991Crooked Hearts— Edward Warren
1991Keeper of the City— Frank Nordhall
1991Living a Lie— Matt
1991A Seduction in Travis County— Frank Maguire
1990The Man Inside— Henry Tobel
1990Poison in the Rockies— Narrator (voice)
1990Waldo Salt: A Screenwriter's Journey— Narrator (voice)
1989Unconquered— Richmond Flowers Sr.
1988Gecenin Kalbi— Sharpe/Larry
1988Collision Course: Labor Management Relations in America— Narrator
1988Baja Oklahoma— Slick Henderson
1987Outrageous Fortune— Michael Sanders
1987Un homme amoureux— Steve Elliott
1987Echoes in the Darkness— William Bradfield Jr.
1987Sworn to Silence— Sam Fischetti
1987Stacking— The Photographer
1986Child's Cry— Matt Townsend
1985Bıçağın Ucunda— Thomas Krasny
1985The Legend of Billie Jean— Ringwald
1985The Blue Yonder— Max Knickerbocker
1985Contrary Warriors: A Film of the Crow Tribe— Narrator (voice)
1985Jack Kerouac: King of the Beats— Narrator
1984Heartbreakers— Blue
1984Slayground— Stone
1984Best Kept Secrets— Frank Mitchell
1984Scorned and Swindled— Anthony Ristelli
1983Cross Creek— Norton Baskin
1983Strangers Kiss— Stanley, the Director
1983The Four Corners: A National Sacrifice Area?— Narrator (voice)
1982Zaman Sürücüsü— Porter Reese
1982Breach of Contract
1982Endangered Species— Steele
1982Out— Rex
1982The UFO Experience
1981Ölüm Bataklığı— Poole
1981People vs. Jean Harris— George Bolen
1981Isabel's Choice— Wynn Thomas
1980Tell Me a Riddle— Young David
1980Die Laughing— Davis
1980Alcatraz: The Whole Shocking Story— Courtney Taylor
1967The Hippie Temptation— Digger
—National Geographic Special: Secret Cities of the Amazon
—Pretty Slick - The Deep Water Horizon Environmental Coverup - Extended Directors Cut— Narrator
—Hayden's Corner— Narrator (voice)
—Lightworkers— Self-Interviewee
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