| 2024 | Thelma | Harvey |
| 2024 | ARK: The Animated Series | Senator Lucius Casius Virilis (voice) |
| 2024 | Cellphone | |
| 2023 | Et Tu | The Murderer |
| 2022 | Son of a Critch | Pop |
| 2022 | O Trajeto | McLaughlin |
| 2021 | La naranja prohibida | Narrator (voice) / Alex DeLarge |
| 2021 | Blood on the Crown | Colonel Saville |
| 2021 | A Wonderful Kingdom | Narrator |
| — | Monster Butler | Roy Fontaine |
| — | Wizardream | The Wizard Mangodor |
| — | Summerhouse | |
| — | Anatomy of Catastrophe: The Making of 'Doomsday' | Self |
| — | Last Train to Fortune | Cecil Peachtree |
| — | The Partisan | Trench coat |
| — | The Spider | Von Wessel |
| 2021 | Dreaming of Stars: An ASMR Feature Film | Self (voice) |
| 2020 | TimeCrafters: The Treasure of Pirate's Cove | Captain Lynch |
| 2020 | Time Warp Vol. 1: Midnight Madness | Self |
| 2020 | Time Warp Vol. 2: Horror and Sci-Fi | Self |
| 2020 | Free Lunch Express | Narrator |
| 2018 | Abnormal Attraction | Boogeyman |
| 2017 | Yamasong: March of the Hollows | Lord Geer |
| 2017 | Assassinato no Mississipi | McGowen |
| 2017 | Grow House | Dr. Doobie |
| 2016 | Perché sono un genio! - Lorenza Mazzetti | Himself |
| 2015 | Kids vs Monsters | Boss Monster |
| 2015 | Um Dia a Mais Para Viver | Garvey |
| 2015 | Душа шпиона | |
| 2015 | Oceanus: Act One | Triton (Ship's Computer) |
| 2015 | Cowboys & Engines | Dr. Clay |
| 2014 | Shock Value | Edmund Dean Huntley |
| 2014 | Kubrick Remembered | Self |
| 2013 | Ricardo Coração de Leão | King Henry II |
| 2013 | A Green Story | Barton |
| 2013 | Meet the Small Potatoes | Lester Koop (voice) |
| — | Robot Dracula | Robot Dracula |
| 2023 | Seguindo em Frente | Howard |
| 2023 | Metalocalypse: Army of the Doomstar | Vader Orlag (voice) |
| 2022 | Luta Pela Fé: A História do Padre Stu | Monsignor Kelly |
| 2022 | She Will | Hathbourne |
| 2021 | Gossip Girl | Roger Menzies |
| 2021 | Esqueceram de Nós | Oliver (voice) |
| 2020 | Crônicas de Natal: Parte Dois | Hakan |
| 2020 | Truth Seekers | Richard |
| 2020 | The Big Ugly | Harris |
| 2020 | Skin: A History of Nudity in the Movies | Self |
| 2020 | Kubrick por Kubrick | Self (archive footage) |
| 2019 | O Escândalo | Rupert Murdoch |
| 2019 | Scooby-Doo e Convidados | Malcolm McDowell (voice) |
| 2018 | Corbin Nash | Blind Prophet |
| 2018 | Os Sonhos que Nunca Tive | Judge Messner |
| 2017 | Castlevania | Varney of London (voice) |
| 2017 | American Satan | Mr. Capricorn |
| 2017 | De Roger Corman Corrida Mortal 2050 | Chairman |
| 2017 | A Garota Perfeita | Evan Polus |
| 2017 | Jeff e os ETs | Zib Zog (voice) |
| 2017 | Heroes Manufactured | Self (archive footage) |
| 2016 | 31 - A Morte é a Única Saída | Father Murder |
| 2016 | The Search for Life in Space | Narrator |
| 2016 | The Mystery of Casa Matusita | Supay |
| 2015 | Ursos Sem Curso | Professor Lampwick (voice) |
| 2015 | Chicago Med: Atendimento de Emergência | Marvin Jaffrey |
| 2015 | Ensina-me o Amor | Gordon |
| 2015 | Scooby-Doo! Loucura do Monstro da Lua | Sly Baron (voice) |
| 2015 | Croods, o Início | Skermiggleflop (voice) |
| 2015 | The Black Hole | Mr. Simms |
| 2015 | Lady Psycho Killer | Gerald Portersen |
| 2014 | Star Wars: Rebels | Minister Hydan (voice) |
| 2014 | Sinfonia Insana | Thomas Pembridge |
| 2014 | Free Fall | Thaddeus Gault |
| 2014 | Noite das Bruxas Macabra | Mr. Smiles |
| 2014 | Tbilisi, I Love You | |
| 2013 | Os Jovens Titãs em Ação! | Baxtory (voice) |
| 2013 | Sanitarium | Dr. Stenson |
| 2013 | Metalocalypse: The Doomstar Requiem - A Klok Opera | Vater Orlagg (voice) |
| 2013 | The Employer | The Employer |
| 2013 | Zombex | Dr. Soulis |
| 2013 | The Anatomy of a Virus: The Making of Antiviral | Himself |
| 2012 | Silent Hill: Revelação | Leonard Wolf |
| 2012 | Excision | Mr. Cooper |
| 2012 | Esqueceram de Mim 5: Sozinho no Natal | Sinclair |
| 2012 | Antiviral | Dr. Abendroth |
| 2012 | Silent Night | Sheriff Cooper |
| 2012 | Vampiras | Vlad |
| 2012 | The Philadelphia Experiment | Morton Salinger |
| 2012 | Final Cut: Hölgyeim és uraim | (archive footage) |
| 2012 | As Aventuras de Alta Frutose da Laranja Irritante | |
| 2012 | Stanley Kubrick in Focus | Self |
| 2012 | LEGO Hero Factory: Breakout | Akiyama Makuro |
| 2012 | The Artist: The Making of an American Romance | Self |
| 2012 | Hollywood as Character: The Locations of The Artist | Himself |
| 2011 | O Artista | The Butler |
| 2011 | Franklin & Bash | Stanton Infeld |
| 2011 | O Diabo no Banco dos Réus | Satan |
| 2011 | Il était une fois… Orange Mécanique | Self |
| 2011 | Pound of Flesh | Professor Noah Melville |
| 2011 | LEGO Hero Factory: Ordeal of Fire | Mr. Makuro (voice) |
| 2011 | L.A., I Hate You | Harold Weintraub |
| 2011 | Turning Like Clockwork | Self |
| 2011 | Golf in the Kingdom | Julian Lange |
| 2011 | No Rest for the Wicked: A Basil & Moebius Adventure | Mr. Bloome |
| 2011 | Santiago Files | Narrator |
| 2010 | A Mentira | Principal Gibbons |
| 2010 | O Livro de Eli | Lombardi |
| 2010 | DC Showcase: Arqueiro-Verde | Merlyn the Magnificent (voice) |
| 2010 | Barry Munday | Mr. Farley |
| 2010 | Tom & Jerry: Encontram Sherlock Holmes | Professor Moriarity (voice) |
| 2010 | DC Showcase Original Shorts Collection | Merlyn the Magnificent (segment "Green Arrow") (voice) |
| 2010 | Lego Hero Factory em O Momento dos Novatos | Mr. Makuro (voice) |
| 2010 | A Convocação: Todos Pela Paz Mundial | Self |
| 2010 | What If Cannabis Cured Cancer | himself |
| 2010 | The Making of Easy A | Self |
| 2009 | Community | Professor Cornwallis |
| 2009 | Halloween II | Dr. Samuel Loomis |
| 2009 | Suck | Eddie Van Helsing |
| 2009 | Bolt: Supercão - Super Rhino | Dr. Calico (voice) |
| 2009 | Phineas e Ferb - Especial de Natal | Grandpa Fletcher (voice) |
| 2009 | Starz Inside - Unforgettably Evil | Self |
| 2008 | Bolt: Supercão | Dr. Calico (voice) |
| 2008 | O Mentalista | Bret Stiles |
| 2008 | Juízo Final | Dr. Marcus Kane |
| 2008 | Coco Chanel | Marc Bouchier |
| 2008 | Delgo | Raius (voice) |
| 2008 | Blue Gold: World Water Wars | Narrator |
| 2008 | Michael Lives: The Making of Halloween | Self |
| 2008 | Never Apologize | Self |
| 2007 | Halloween: O Início | Dr. Samuel Loomis |
| 2007 | Phineas e Ferb | |
| 2007 | Phineas e Ferb | Grandpa Reg (voice) |
| 2007 | Phineas e Ferb | Grandpa Reginald Fletcher (voice) |
| 2007 | Robot Chicken: Star Wars | Orientation Instructor (voice) |
| 2007 | Masters of Science Fiction | Tibor Cargrew |
| 2007 | Guerra e Paz | Prince Bolkonski |
| 2007 | A Lista | Desmond Larochette |
| 2007 | Lost Kubrick: The Unfinished Films of Stanley Kubrick | Narrator |
| 2007 | My Roman Holiday With John Steiner | Self - Archive Footage |
| 2007 | Exitz | Percy |
| 2006 | Heroes | |
| 2006 | Heroes | Daniel Linderman |
| 2006 | Psych: Agentes Especiais | Ambassador Fanshaw |
| 2006 | Metalocalypse | Vater Orlaag (voice) |
| 2006 | A Lenda da Lápide de Esmeralda | Nathan Cairns |
| 2006 | Assalto Relâmpago | James Burton |
| 2006 | O Lucky Malcolm! | Self |
| 2006 | The Curse of King Tut's Tomb | Nathan Cairns |
| 2006 | Bye Bye Benjamin | Mr. Coleman |
| 2005 | Frango Robô | 1776 announcer/reporter |
| 2005 | Dinotopia: Em Busca do Tesouro Encantado | Ogthar (voice) |
| 2005 | Ataque Aéreo | Dick Murdoch |
| 2005 | Billy e Mandy Salvam o Natal | Baron Von Ghoulish (voice) |
| 2005 | Escândalos no Tabloide | Richard Morton |
| 2005 | Jaws of the Pacific | Narrator (voice) |
| 2004 | Mar de Fogo | Major Davenport |
| 2004 | Liga da Justiça Sem Limites | Metallo (voice) |
| 2004 | Em Boa Companhia | Teddy K (uncredited) |
| 2004 | Entourage: Fama e Amizade | |
| 2004 | Entourage: Fama e Amizade | Terrance McQuewick |
| 2004 | Pinóquio 3000 | Scamboli (voice) |
| 2004 | Evilenko | Andrej Romanovic |
| 2004 | Bobby Jones: A Lenda do Golfe | O.B. Keeler |
| 2004 | Tempesta | Paul Valenzin |
| 2004 | Leçon de Cinéma | Self |
| 2004 | Cast & Crew: If.... | Self - Interviewee |
| 2003 | Os Jovens Titãs | Mad Mod (voice) |
| 2003 | Vingança Final | Boad |
| 2003 | De Corpo e Alma | Alberto Antonelli |
| 2003 | Inhabited | Dr. Werner |
| 2003 | Tempo: Uma Questão de Sobrevivência | Walter Shrenger |
| 2003 | Dorian | Henry |
| 2003 | Red Roses and Petrol | Enda |
| 2002 | CSI: Miami | |
| 2002 | CSI: Miami | Darren Vogel |
| 2002 | Monk: Um Detetive Diferente | Julian Hodge |
| 2002 | Sou Espião | Gundars |
| 2002 | Vingança em Chamas | John Rainbird |
| 2002 | O Barbeiro | Dexter Miles |
| 2002 | ChalkZone | Barney the Encyclocentipedia (voice) |
| 2002 | Desejo de Liberdade | Alan Baxter |
| 2002 | A Magia das Fadas | Ian |
| 2002 | Shadow Realm | Martin Hudson |
| 2001 | As Terríveis Aventuras de Billy e Mandy | Baron Von Ghoulish |
| 2001 | Os Viajantes do Tempo | Wizard |
| 2001 | Lei & Ordem: Crimes Premeditados | Jonas Slaughter |
| 2001 | Stanley Kubrick: Imagens de Uma Vida | Self |
| 2001 | A Princesa dos Ladrões | Sheriff of Nottingham |
| 2001 | Visões Noturnas | Martin |
| 2001 | A Experiência Maldita / Abismo | Dr. Thomas Abernathy |
| 2000 | Gangster No. 1 | Gangster 55 |
| 2000 | Island of the Dead | Rupert King |
| 2000 | Still Tickin': The Return of 'A Clockwork Orange' | Self |
| 2000 | St. Patrick: The Irish Legend | Quentin |
| 2000 | The David Cassidy Story | Jack Cassidy |
| 1999 | A Caixa de Pandora | Barnabus (voice) |
| 1999 | Tempo da Inocência | Uncle Morris MacIntosh |
| 1999 | The Late Late Show with Craig Kilborn | Self - Guest |
| 1999 | Juízo Final | Seward |
| 1999 | Love Lies Bleeding | Malcolm |
| 1999 | Southern Cross | Felipe Solano |
| 1999 | Stanley and Us | Self |
| 1999 | Sharks of the Deep Blue | Narrator |
| 1998 | Fantasy Island | Mr. Roarke |
| 1998 | День полнолуния | |
| 1998 | As Primeiras 9 ½ Semanas de Amor | Francois Dubois |
| 1998 | Nazis: The Occult Conspiracy | Narrator (voice) |
| 1998 | The Gardener | Ben Carter |
| 1998 | AFI's 100 Years... 100 Movies | Self |
| 1997 | South Park | A British Person (voice) |
| 1997 | Mr. Magoo | Austin Cloquet |
| 1997 | Lexx | Yottskry |
| 1997 | Hugo Pool | Henry Dugay |
| 1997 | O Ano da Destruição | Captain Sean Murdoch |
| 1997 | Asylum | Sullivan Rane / Doc |
| 1997 | Giga Shadow | Yottskry |
| 1996 | Superman: A Série Animada | John Corben (voice) |
| 1996 | Superman: A Série Animada | John Corben / Metallo (voice) |
| 1996 | Superman: A Série Animada | Metallo (voice) |
| 1996 | Superman: The Last Son of Krypton | John Corben (voice) |
| 1996 | O Último Trem Para Veneza | Stranger |
| 1996 | Our Friends in the North | Benny Barratt |
| 1996 | Yesterday's Target | Holden |
| 1996 | A Marca da Traição | Dr. Vernon Renquist |
| 1996 | Stanley Kubrick: The Invisible Man | Self |
| 1996 | Captain Simian & the Space Monkeys | Rhesus 2 (voice) |
| 1996 | Sex, Censorship and the Silver Screen | Quote Reader |
| 1996 | The Great War and the Shaping of the 20th Century | Czar Nicholas II / Charles Stockwell / Stephen Graham (voice) |
| 1996 | Ringer | Noel |
| 1996 | Wing Commander Academy | |
| 1996 | Pearl | Professor Stephen Pynchon |
| 1996 | The Little Riders | Capt. Kessel |
| 1995 | Tank Girl - Detonando o Futuro | Kesslee |
| 1995 | The Outer Limits | Ship (voice) |
| 1995 | O Guerreiro da Estrela Polar | Ryuken |
| 1995 | Cyborg 3: A Criação | Lord Talon |
| 1995 | Exquisite Tenderness | Dr. Stein |
| 1995 | Kids of the Round Table | Merlin |
| 1995 | Dangerous Indiscretion | Roger Everett |
| 1995 | Fatal Pursuit | Bechtel |
| 1994 | Jornada nas Estrelas: Generations | Dr. Tolian Soran |
| 1994 | Homem-Aranha: A Série Animada | Whistler (voice) |
| 1994 | As Aparências Enganam | Waltzer |
| 1994 | O Ônibus Mágico | (voice) |
| 1994 | Seasons of the Heart | Alfred McGuinness |
| 1994 | The Man Who Wouldn't Die | Bernard Drake / Ian Morrissey |
| 1993 | Frasier | Dr. Bruga (voice) |
| 1993 | Late Night with Conan O'Brien | Self |
| 1993 | Bopha! À Flor da Pele | De Villiers |
| 1993 | Vent d'est | General Smyslovsky |
| 1993 | Your Guide to Star Trek: Generations | Self |
| 1992 | Batman: A Série Animada | Arcady Duvall (voice) |
| 1992 | O Jogador | Malcolm McDowell |
| 1992 | Chain of Desire | Hubert Bailey |
| 1991 | Assassinato do Czar | Timofeyev / Yurovsky |
| 1991 | Venins | Prof. Baldwin |
| 1991 | Pebble Mill | Self |
| 1990 | A Guerra dos Donos do Amanhã | Dr. Miles Langford |
| 1990 | Estação 44: O Refúgio dos Exterminadores | Major Lee |
| 1990 | Disturbed | Dr. Derrick Russell |
| 1990 | Jezebel's Kiss | Benjamin J. Faberson |
| 1990 | Schweitzer | Albert Schweitzer |
| 1990 | Maggio musicale | Pier Francesco Ferraioli |
| 1989 | Contos da Cripta | Donald Longtooth |
| 1989 | Branca de Neve e os Sete Anões 2 | Lord Malice (voice) |
| 1989 | Mortacci | Edmondo |
| 1989 | Buy & Cell | Warden Tennant |
| 1989 | Il maestro | Walter Goldberg |
| 1988 | Assassinato em Hollywood | Alfie Alperin |
| 1988 | An Audience With Victoria Wood | Himself |
| 1987 | Alguém Está Chamando | The Caller |
| 1987 | The Dame Edna Experience | Self |
| 1986 | Monte Carlo | Christopher Quinn |
| 1985 | Gulag | The Englishman |
| 1985 | Merlin e a Espada | King Arthur |
| 1983 | Trovão Azul | Cochrane |
| 1983 | Get Crazy: Na Zorra do Rock | Reggie Wanker |
| 1983 | Cross Creek | Max Perkins |
| 1983 | Little Red Riding Hood | The Wolf a.k.a. Reginald Von Lupin / Narrator |
| 1982 | A Marca da Pantera | Paul Gallier |
| 1982 | Hospital dos Malucos | Mick Travis |
| 1982 | Teatro dos Contos de Fada | Reginald Von Lupin / The Wolf / Narrator (voice) |
| 1982 | The Compleat Beatles | Narrator |
| 1981 | A Documentary on the Making of 'Gore Vidal's Caligula' | Self / Caligula |
| 1980 | Look Back in Anger | Jimmy Porter |
| 1979 | Calígula | Caligula |
| 1979 | Um Século em 43 Minutos | H. G. Wells |
| 1979 | The Passage | Capt. Von Berkow |
| 1979 | Echoes of the Sixties: A Musical Trip | Self |
| 1978 | An Audience with... | Self |
| 1978 | She Fell Among Thieves | Richard Chandos |
| 1977 | BBC2 Play of the Week | Chandos |
| 1977 | Beryl Reid | |
| 1976 | Ases do Espaço | Maj. John Gresham |
| 1976 | A Viagem dos Condenados | Max Gunter |
| 1976 | The Collection | Bill |
| 1976 | Laurence Olivier Presents | |
| 1975 | O Heróico Covarde | Captain Harry Flashman / Prince Karl Magnus |
| 1973 | O Lucky Man! | Michael Arnold Travis / Plantation Thief |
| 1971 | Laranja Mecânica | Alex |
| 1971 | The Raging Moon | Bruce Pritchard |
| 1971 | Great Performances | Bill |
| 1970 | Figures in a Landscape | Ansell |
| 1968 | Se… | Mick Travis |
