| 2022 | Obi-Wan Kenobi (serie) | Darth Vader (voice) |
| 2019 | Las películas que vimos (serie) | Self (archive footage) |
| 2019 | El rey león | Mufasa (voice) |
| 2019 | The Space: Theatre of Survival | Narrator |
| 2019 | Words from a Bear | Self |
| 2018 | Warning Shot | Pendleton |
| 2017 | The Lion Guard: Life In The Pride Lands | Mufasa (voice) |
| 2016 | God Bless You, Mr Rosewater | Kilgore Trout |
| 2015 | Driving Miss Daisy | Hoke Colburn |
| 2015 | Star Wars Rebels: Estado de sitio en Lothal | Darth Vader (voice) |
| 2015 | August Wilson: The Ground on Which I Stand | — |
| 2014 | Star Wars Rebels (serie) | Darth Vader (voice) |
| 2014 | El hombre más enfadado de Brooklyn | Ruben |
| 2013 | Buscando un destino | Frank McCarthy |
| 2012 | An Amazing Time: A Conversation About End of the Road | Self |
| 2012 | Joe Papp in Five Acts | Self |
| 2010 | Quantum Quest: A Cassini Space Odyssey | Admiral (voice) |
| 2008 | Bienvenido a casa Roscoe Jenkins | Papa Jenkins |
| 2007 | Tierra | Narrator (voice) |
| 2007 | Big Bang (serie) | Self |
| 2007 | Our Paul: Remembering Paul Robeson | Self |
| 2007 | John, Paul, George and Ben | Narrator |
| 2006 | Searching for Orson | Self |
| 2006 | The One Show (serie) | Invitado especial |
| 2006 | The Best of The Tony Awards: The Plays | Jack Jefferson (segment "The Great White Hope") / Troy Maxson (segment "Fences") |
| 2005 | Hollywood's Greatest Villains | Self |
| 2005 | The Reading Room | William |
| 2005 | By Any Means Necessary: The Making of 'Malcolm X' | Narrator |
| 2004 | House (serie) | Dibala |
| 2004 | No Fighting in the War Room Or: 'Dr Strangelove' and the Nuclear Threat | Self |
| 2004 | ¡Guau... qué Navidad! | Narrator |
| 2004 | The Story of Star Wars | Darth Vader (archive footage) |
| 2004 | Black Indians: An American Story | Narrator |
| 2003 | Dos hombres y medio (serie) | Himself |
| 2003 | The Great Year | Narrator |
| 2003 | Beneath the Surface: The Making of 'The Hunt for Red October' | Self |
| 2002 | Everwood (serie) | Will Cleveland |
| 2002 | Fredericksburg: A Documentary Film | Narrator |
| 2001 | Muhammad Ali - Through The Eyes Of The World | Self |
| 2001 | La banda del patio: Milagro en la calle tercera | Mister (voice) |
| 2001 | El mundo según Jim (serie) | Royal Flush Voice (voice) |
| 2001 | Última jugada | Avery Phillips |
| 2001 | Leyendas americanas de Disney | Narrator |
| 2000 | Antietam: A Documentary Film | Narrator |
| 2000 | Conan Unchained: The Making of 'Conan' | Self |
| 2000 | Inside: 'Dr. Strangelove or How I Learned to Stop Worrying and Love the Bomb' | Self - 'Lieutenant Lothar Zogg' |
| 2000 | The Art of Stanley Kubrick: From Short Films to Strangelove | Self |
| 2000 | Sidney Poitier: One Bright Light | — |
| 2000 | Fantasía 2000 | Self - Host |
| 1999 | Santa and Pete | James Earl Jones |
| 1999 | The Annihilation of Fish | Fish |
| 1999 | On the Q.T. | Leo |
| 1997 | La Segunda Guerra Civil | Jim Kalla |
| 1997 | La mentira del silencio | Archibald Thacker |
| 1997 | La sombra de los culpables | Arthur Baylor |
| 1997 | Hitler's Forgotten Victims | Narrator (voice) (DVD version) |
| 1997 | Stargate SG-1 (serie) | Unas (Voice) |
| 1997 | Afro Promo | Self (archive footage) |
| 1996 | Timepiece | Lawrence |
| 1996 | Rebound: The Legend of Earl 'The Goat' Manigault | Dr. McDuffie |
| 1996 | Un asunto de familia | Ray Murdock |
| 1996 | Cosas De Marcianos (serie) | Narrator (voice) (uncredited) |
| 1995 | Llanto por la tierra amada | Rev. Stephen Kumalo |
| 1995 | Who's in Rabbit's House? | Narrator (voice) |
| 1995 | The Making of 'Jurassic Park' | Host |
| 1995 | Happily Ever After: Fairy Tales for Every Child (serie) | King Dakkar (voice) |
| 1995 | Circle of Life: An Environmental Fable | Mufasa (voice) |
| 1995 | Signs and Wonders (serie) | Diamond |
| 1995 | People: A Musical Celebration | The Storyteller (voice) |
| 1994 | Bah, Humbug!: The Story of Charles Dickens' 'A Christmas Carol' | Narrator |
| 1994 | Tocados por un ángel (serie) | The Angel of Angels |
| 1994 | El rey león | Mufasa (voice) |
| 1994 | En los límites de la realidad: Los clásicos perdidos de Rod Serling | Host |
| 1994 | Borrón y cuenta nueva | John Dolby |
| 1994 | Gangs: Turning the Corner | Self |
| 1994 | The Vernon Johns Story | Vernon Johns |
| 1993 | Hallelujah | Old Man Taylor |
| 1993 | Lois y Clark: Las Nuevas Aventuras de Superman (serie) | Franklin Stern |
| 1993 | Percy & Thunder | Percy Banks |
| 1993 | Meteor Man | Earnest Moses |
| 1993 | Fuerza excesiva | Jake |
| 1993 | Sommersby | Judge Barry Conrad Issacs |
| 1993 | Homicidio (serie) | — |
| 1992 | Shelley Duvall's Bedtime Stories (serie) | Narrator (Voice) |
| 1991 | Pros and Cons (serie) | Gabriel Bird |
| 1991 | ¿Blanco o negro? | Himself |
| 1991 | Cuerpos ardientes | Bear |
| 1991 | Portrait of Castro's Cuba | Host/Narrator |
| 1991 | Visitors from the Unknown | Narrator |
| 1991 | Convictos | Ben Johnson |
| 1990 | Grim Prairie Tales | Morrison |
| 1990 | Gabriel's Fire (serie) | Gabriel Bird |
| 1990 | Ivory Hunters | Inspector Nkuru |
| 1990 | Heat Wave | Junius Johnson |
| 1990 | Saigón: Último vuelo de salida | Al Topping |
| 1990 | Misiles al Amanecer | Alice |
| 1990 | La ambulancia | Lt. Spencer |
| 1990 | La caza del Octubre Rojo | Admiral Greer |
| 1990 | Teach 109 | Dr. Winston |
| 1989 | Los Simpson (serie) | Moving Man / Serak the Preparer / Narrator (voice) |
| 1989 | Campeón de campeones | Frank Couzo |
| 1989 | Golden Book Video - Beauty and the Beast | Narrator (voice) |
| 1989 | Campo de sueños | Terrence Mann |
| 1989 | Tres fugitivos | Dugan |
| 1989 | Stories to Remember: Noah's Ark | Narrator |
| 1988 | Terrorgram | Retribution (voice) |
| 1988 | El príncipe de Zamunda | King Jaffe Joffer |
| 1988 | Michael Jackson... La leyenda continúa | Narrator (voice) |
| 1987 | Matewan | 'Few Clothes' Johnson |
| 1987 | Pinocho y el Emperador de la Noche | Emperor of the Night (voice) |
| 1987 | Jardines de piedra | Sgt. Maj.'Goody' Nelson |
| 1986 | Allan Quatermain y la ciudad perdida del oro | Umslopogaas |
| 1986 | Harvard: movida americana | Professor Banks |
| 1986 | La ley de Los Ángeles (serie) | Lee Atkins |
| 1986 | My Little Girl | Ike Bailey |
| 1986 | Aladdin and His Wonderful Lamp | Genie / Narrator |
| 1986 | The Lone Star Kid | Holmes |
| 1986 | City Limits | Albert |
| 1985 | The Atlanta Child Murders (serie) | Major Walker |
| 1985 | Visual Pathfinders: Robert Abel & Associates | — |
| 1984 | El vuelo de los dragones | Ommadon (voice) |
| 1984 | El hombre de Las Vegas | Jack Madrid |
| 1984 | Autopista hacia el cielo (serie) | Gabe Wilson |
| 1984 | Why Mosquitoes Buzz in People's Ears | Narrator |
| 1983 | Reading Rainbow (serie) | Himself - Narrator (voice) |
| 1982 | Marea de sangre | Frye |
| 1982 | Amy and The Angel | Gabriel |
| 1982 | Cuentos de las estrellas (serie) | Genie / Narrator (voice) |
| 1982 | Conan, el bárbaro | Thulsa Doom |
| 1981 | The Creation | Narrator (voice) |
| 1981 | God's Trombones | Himself - Narrator (segment "The Creation") |
| 1980 | The Me Nobody Knows | Self |
| 1980 | Guyana Tragedy: The Story of Jim Jones (serie) | Father Divine |
| 1979 | Paris (serie) | Woody Paris |
| 1979 | A Walking Tour of Sesame Street | Self - Host |
| 1979 | Raíces: La nueva generación (serie) | Alex Haley |
| 1979 | Paul Robeson | Paul Robeson |
| 1978 | Black Theatre: The Making of a Movement | Self |
| 1978 | El especial navideño de Star Wars | Darth Vader (voice) |
| 1978 | The Magic of David Copperfield (serie) | — |
| 1977 | The Greatest Thing That Almost Happened | Morris Bird, Jr. |
| 1977 | De profesión estafadores | Joshua Burke |
| 1977 | El exorcista II: El hereje | Older Kokumo |
| 1977 | Mi bello legionario | Sheikh |
| 1976 | El corsario escarlata | Nick Debrett |
| 1976 | Los Bingo Long, equipo de estrellas | Leon |
| 1976 | The River Niger | Johnny Williams |
| 1975 | Deadly Hero | Rabbit Shazam |
| 1975 | El caso OVNI | Barney Hill |
| 1974 | The Cay | Timothy |
| 1974 | Claudine | Rupert D. "Roop" Marshall |
| 1973 | The American Film Institute Salute to ... (serie) | Self |
| 1972 | The Man | Douglass Dilman |
| 1971 | Martin Luther King, Jr.: Legacy of a Dream | Narrator |
| 1971 | Great Performances (serie) | King Lear |
| 1970 | La gran esperanza blanca | Jack Jefferson |
| 1968 | The Dick Cavett Show (serie) | Invitado especial |
| 1966 | Tarzan (serie) | — |
| 1964 | ¿Teléfono rojo? Volamos hacia Moscú | Lt. Lothar Zogg |
| 1962 | The Tonight Show Starring Johnny Carson (serie) | Self |
| 1962 | The Merv Griffin Show (serie) | Self |
| 1961 | The Mike Douglas Show (serie) | Self |
| 1961 | Dr. Kildare (serie) | Dr. Lou Rush |
| 1961 | Los defensores (serie) | Lieutenant Andrews |
| 1951 | Hallmark Hall of Fame (serie) | Archibald Thacker |
| 1944 | Premios Globo de Oro (serie) | Self - Nominee/Presenter |
