| Movie | 2007 | Ghost Rider | Mephistopheles / Mephisto | |
| Movie | 1969 | Easy Rider | Wyatt | |
| Movie | 1963 | The Victors | Weaver | |
| Movie | 1996 | Escape from L.A. | Pipeline | |
| Movie | 1976 | Futureworld | Chuck Browning | |
| Movie | 1999 | The Limey | Terry Valentine | |
| Movie | 1968 | The Movie Orgy | Self (archive footage) | |
| Movie | 2007 | 3:10 to Yuma | Byron McElroy | |
| Movie | 2009 | The Boondock Saints II: All Saints Day | The Roman | |
| Movie | 1981 | The Cannonball Run | Chief Biker | |
| Movie | 1967 | The Trip | Paul Groves | |
| Movie | 2000 | South of Heaven, West of Hell | Shoshonee Bill | |
| Movie | 2001 | Wooly Boys | A.J. "Stoney" Stoneman | |
| Movie | 1975 | Race with the Devil | Roger | |
| Movie | 2003 | Return of the "Hired Hand" | Himself | |
| Movie | 2004 | The Heart Is Deceitful Above All Things | Grandfather | |
| Movie | 2004 | A Thief Of Time | Harrison Houk | |
| Movie | 1993 | Deadfall | Pete | |
| Movie | 1995 | Nadja | Dracula / Dr. Van Helsing | |
| Movie | 2010 | American Bandits: Frank and Jesse James | Marshal Kane | |
| Movie | 1968 | Spirits of the Dead | Baron Wilhelm Berlifitzing (segment "Metzengerstein") | |
| Movie | 1971 | The Hired Hand | Harry Collings | |
| Movie | 1966 | The Wild Angels | Heavenly Blues | |
| Movie | 2000 | Second Skin | Merv Gutman | |
| Movie | 2005 | Supernova | Dr. Austin Shepard | |
| Movie | 1964 | Lilith | Stephen Evshevsky | |
| Movie | 1994 | Love and a .45 | Vergil Cheatham | |
| Movie | 1978 | Roger Corman: Hollywood's Wild Angel | Self | |
| Movie | 2000 | Thomas and the Magic Railroad | Grandpa Burnett Stone | |
| Movie | 1975 | 92 in the Shade | Tom Skelton | |
| Movie | 1979 | Wanda Nevada | Beaudray Demerille | |
| Movie | 1996 | Grace of My Heart | Guru Dave (voice) | |
| Movie | 2003 | Easy Riders, Raging Bulls: How the Sex 'n' Drugs 'n' Rock 'n' Roll Generation Saved Hollywood | Self | |
| Movie | 1987 | Hollywood Uncensored | Self - Host | |
| Movie | 1971 | The Last Movie | Young Sheriff | |
| Movie | 1999 | The Passion of Ayn Rand | Frank O'Connor | |
| Movie | 1963 | Tammy and the Doctor | Dr. Mark Cheswick | |
| Movie | 2004 | John Carpenter: The Man and His Movies | Self | |
| Movie | 1974 | Dirty Mary Crazy Larry | Larry | |
| Movie | 2002 | The Laramie Project | Doctor Cantway | |
| Movie | 1974 | Open Season | Ken | |
| Movie | 1968 | Certain Honorable Men | Robbie Conroy | |
| Movie | 1982 | Split Image | Kirklander | |
| Movie | 1976 | Killer Force | Bradley | |
| Movie | 1987 | Hawken's Breed | Hawken | |
| Movie | 1997 | Ulee's Gold | Ulee Jackson | |
| Movie | 2013 | As Cool as I Am | Gerald | |
| Movie | 2003 | The Maldonado Miracle | Father Russell | |
| Movie | 1976 | Fighting Mad | Tom Hunter | |
| Movie | 2012 | Smitty | Jack | |
| Movie | 1978 | High-Ballin' | Rane | |
| Movie | 1983 | Spasms | Dr. Tom Brasilian | |
| Movie | 2023 | The Fondas: A Cinematic Dynasty | Self - Actor (archive footage) | |
| Movie | 1985 | Certain Fury | Rodney | |
| Movie | 2004 | Back When We Were Grownups | Dr. Will Allenby | |
| Movie | 2009 | No Subtitles Necessary: Laszlo & Vilmos | Self | |
| Movie | 2012 | Harodim | Solomon Fell | |
| Movie | 1997 | Painted Hero | Ray the Cook | |
| Movie | 1977 | Outlaw Blues | Bobby Ogden | |
| Movie | 1998 | The Tempest | Gideon Prosper | |
| Movie | 2007 | Becoming John Ford | Self | |
| Movie | 1990 | Fatal Mission | Ken Andrews | |
| Movie | 2013 | House of Bodies | Henry Lee Bishop | |
| Movie | 1993 | South Beach | Jake | |
| Movie | 2013 | The Ultimate Life | Jacob Early | |
| Movie | 2013 | Copperhead | Avery | |
| Movie | 1991 | Family Express | Nick | |
| Movie | 1988 | Mercenary Fighters | Virelli | |
| Movie | 1964 | The Young Lovers | Eddie Slocum | |
| Movie | 2015 | The Harvest | Grandfather | |
| Movie | 1973 | Two People | Evan Bonner | |
| Movie | 1983 | Dance of the Dwarfs | Harry Bediker | |
| Movie | 1989 | The Rose Garden | Herbert | |
| Movie | 1999 | Born to the Wind | Narrator | |
| Movie | 1984 | Signatures of the Soul | Presenter | |
| Movie | 1980 | The Hostage Tower | Mike Graham | |
| Movie | 2015 | The Runner | Rayne Price | |
| Movie | 1991 | Crazy About the Movies: Dennis Hopper | Self | |
| Movie | 1983 | Peppermint-Peace | Mr. Frieden | |
| Movie | 1998 | Independent's Day | Self - Interviewee | |
| Movie | 2007 | Cobrador: In God We Trust | Mr. X | |
| Movie | 1991 | Time of Indifference | Leo | |
| Movie | 2011 | The Trouble With Bliss | Seymour Bliss | |
| Movie | 1983 | It's All Right, My Friend | Gonzy Traumerai | |
| Movie | 1997 | Henry Fonda: Hollywood's Quiet Hero | Self | |
| Movie | 2015 | Jesse James: Lawman | Mayor | |
| Movie | 1964 | Carol for Another Christmas | Marley Grudge (uncredited) | |
| Movie | 1994 | In the Heat of the Night: Give Me Your Life | Marcantony Appfel | |
| Movie | 2005 | Harley-Davidson: The Spirit of America | Self | |
| Movie | 2016 | Close Encounters with Vilmos Zsigmond | Self | |
| Movie | 1968 | The New Cinema | Self | |
| Movie | 2017 | The Most Hated Woman in America | Reverend Harrington | |
| Movie | 1996 | Don't Look Back | Mouse | |
| Movie | 1973 | Not So Easy | Himself | |
| Movie | 2018 | You Can't Say No | Buck Murphy | |
| Movie | 2011 | The Perfect Age of Rock 'n' Roll | August West | |
| Movie | 2007 | Wild Hogs | Damien Blade | |
| Movie | 2017 | The Ballad of Lefty Brown | Edward Johnson | |
| Movie | 1999 | Easy Rider: Shaking the Cage | Self | |
| Movie | 2011 | Corman's World | Self - Actor | |
| Movie | N/A | Skate God | Skylar | |
| Movie | 2000 | Welcome to Hollywood | Peter Fonda | |
| Movie | 1995 | At Sundance | Self | |
| Movie | 2018 | Boundaries | Joey | |
| Movie | 2004 | Nice to Meet You, Please Don't Love Me! | Himself | |
| Movie | 1994 | Molly and Gina | Larry Stanton | |
| Movie | 2011 | Off The Boulevard | | |
| Movie | 2012 | Sunset Strip | Self | |
| Movie | 2008 | Journey to the Center of the Earth | Edward Dennison | |
| Movie | 2020 | The Last Full Measure | Jimmy Burr | |
| Movie | 2019 | Woody Guthrie All-Star Tribute Concert 1970 | Narrator | |
| Movie | 1985 | A Reason to Live | Gus Stewart | |
| Movie | 2012 | Magical Mystery Tour Revisited | Self | |
| Movie | 1993 | Harley-Davidson: The American Motorcycle | | |
| Movie | 1993 | Bodies, Rest & Motion | Motorcycle Rider | |
| Movie | 1993 | Warren Oates: Across the Border | Self | |
| Movie | 2008 | Japan | Alfred | |
| Movie | 1992 | Fonda on Fonda | Self | |
| Movie | 1995 | Born to Be Wild | Himself | |
| Movie | 2006 | Desert Dreamers | Narrator (voice) | |
| Movie | 2004 | Jack Nicholson: The Joker Is Wild | Self | |
| Movie | 1988 | Sound | Roberto Lovari | |
| Movie | N/A | The Return of the Smothers Brothers | Self | |
| TV Show | 2007 | Californication | Himself | 1 |
| TV Show | 2006 | The One Show | Self - Guest | 1 |
| TV Show | 1996 | E! True Hollywood Story | | 1 |
| TV Show | 1958 | Naked City | Joey Selken | 1 |
| TV Show | 1962 | The Merv Griffin Show | Self | 1 |
| TV Show | 1963 | Arrest and Trial | Alex Bakalyan | 1 |
| TV Show | 1951 | Hallmark Hall of Fame | Dr. Will Allenby | 1 |
| TV Show | 1994 | ER | Pierce Tanner | 1 |
| TV Show | 1961 | The New Breed | Ronnie Bryson | 1 |
| TV Show | 1973 | The American Film Institute Salute to ... | Self | 1 |
| TV Show | 1961 | The Defenders | Gary Foster | 1 |
| TV Show | 2005 | Supernova | Dr. Austin Shepard | 2 |
| TV Show | 1953 | The Oscars | Self | 1 |
| TV Show | 1999 | The Late Late Show with Craig Kilborn | Self - Guest | 1 |
| TV Show | 1963 | Channing | Everett Partridge | 1 |
| TV Show | 2010 | Hawaii Five-0 | Jesse Billings | 1 |
| TV Show | 1981 | Wetten, dass..? | Self | 1 |
| TV Show | 1962 | The Tonight Show Starring Johnny Carson | Self | 11 |
| TV Show | 2019 | The Movies That Made Us | Self (Archival Footage) | 1 |
| TV Show | 1957 | Wagon Train | Orly French | 1 |
| TV Show | 1994 | Space Ghost Coast to Coast | | 2 |
| TV Show | 1950 | What's My Line? | Self - Mystery Guest | 1 |
| TV Show | 1971 | V.I.P. Schaukel | Self | 1 |
| TV Show | 2007 | The Gathering | Thomas Carrier | 6 |
| TV Show | 2016 | Ride with Norman Reedus | Self | 1 |
| TV Show | 1977 | Auf los geht's los | Self | 1 |
| TV Show | 1975 | Les Rendez-vous du dimanche | Self | 1 |
| TV Show | 1968 | The Dick Cavett Show | Self - Guest | 1 |
| TV Show | 1944 | Golden Globe Awards | Self - Presenter | 2 |
| TV Show | 1962 | The Alfred Hitchcock Hour | Verge Likens | 1 |
| TV Show | 1980 | Heut' abend | Self | 1 |
| TV Show | 2013 | The Blacklist | Geoff Perl | 1 |
| TV Show | 1944 | Golden Globe Awards | Self (uncredited) | 1 |
| TV Show | 1944 | Golden Globe Awards | Self - Nominee | 2 |
| TV Show | 1944 | Golden Globe Awards | Self - Nominee / Presenter | 1 |
| TV Show | 1964 | 12 O'Clock High | Lt. Andy Lathrop | 1 |
| TV Show | 1961 | The Mike Douglas Show | Self | 4 |
