Filmography211 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2026 | Robot DraculaMovie | Robot Dracula | 83 |
| 2026 | Psycho KillerMovie | Mr. Pendleton | 83 |
| 2025 | Last Train to FortuneMovie | Cecil Peachtree | 82 |
| 2024 | ARK: The Animated SeriesSeries | Senator Lucius Casius Virilis (voice) | 81 |
| 2024 | ThelmaMovie | Harvey | 81 |
| 2023 | Moving OnMovie | Howard | 80 |
| 2022 | Father StuMovie | Monsignor Kelly | 79 |
| 2022 | She WillMovie | Hathbourne | 79 |
| 2022 | The WalkMovie | McLaughlin | 79 |
| 2021 | Gossip GirlSeries | Roger Menzies | 78 |
| 2020 | The Christmas Chronicles: Part TwoMovie | Hakan | 77 |
| 2020 | Skin: A History of Nudity in the MoviesMovie | Self | 77 |
| 2020 | Truth SeekersSeries | Richard | 77 |
| 2020 | Kubrick by KubrickMovie | Self (archive footage) | 77 |
| 2020 | TimeCrafters: The Treasure of Pirate's CoveMovie | Captain Lynch | 77 |
| 2020 | Time Warp Vol. 2: Horror and Sci-FiMovie | Self | 77 |
| 2020 | Time Warp Vol. 1: Midnight MadnessMovie | Self | 77 |
| 2020 | The Big UglyMovie | Harris | 77 |
| 2020 | Time Warp: The Greatest Cult Films of All TimeSeries | Self | 77 |
| 2019 | Scooby-Doo and Guess Who?Series | Malcolm McDowell (voice) | 76 |
| 2018 | Corbin NashMovie | Blind Prophet | 75 |
| 2018 | Abnormal AttractionMovie | Boogeyman | 75 |
| 2017 | CastlevaniaSeries | Varney of London (voice) | 74 |
| 2017 | American SatanMovie | Mr. Capricorn | 74 |
| 2017 | Heroes ManufacturedMovie | Self (archive footage) | 74 |
| 2017 | Death Race 2050Movie | Chairman | 74 |
| 2017 | Walk of FameMovie | Evan Polus | 74 |
| 2017 | Grow HouseMovie | Dr. Doobie | 74 |
| 2016 | Legends of CinemaSeries | Self (archive footage) | 73 |
| 2016 | The Search for Life in SpaceMovie | Narrator | 73 |
| 2015 | Chicago MedSeries | Marvin Jaffrey | 72 |
| 2015 | We Bare BearsSeries | Professor Lampwick (voice) | 72 |
| 2015 | The Black HoleMovie | Mr. Simms | 72 |
| 2015 | Lady Psycho KillerMovie | Gerald Portersen | 72 |
| 2015 | Oceanus: Act OneMovie | Triton (Ship's Computer) | 72 |
| 2014 | Mozart in the JungleSeries | Thomas Pembridge | 71 |
| 2014 | Star Wars RebelsSeries | Minister Hydan (voice) | 71 |
| 2014 | Some Kind of BeautifulMovie | Gordon | 71 |
| 2014 | Kubrick RememberedMovie | Self | 71 |
| 2014 | Tbilisi, I Love YouMovie | Mr. M | 71 |
| 2014 | ElwoodMovie | Narrator (voice) | 71 |
| 2014 | Free FallMovie | Thaddeus Gault | 71 |
| 2013 | Teen Titans Go!Series | Baxtory (voice) | 70 |
| 2013 | The Anatomy of a Virus: The Making of AntiviralMovie | Himself | 70 |
| 2013 | SanitariumMovie | Dr. Stenson | 70 |
| 2013 | The Gillian Hills TrilogyMovie | — | 70 |
| 2013 | ZombexMovie | Dr. Soulis | 70 |
| 2013 | Metalocalypse: The Doomstar Requiem - A Klok OperaMovie | Vater Orlagg (voice) | 70 |
| 2013 | Masterpiece: Frank Miller's The Dark Knight ReturnsMovie | Narrator (voice) | 70 |
| 2013 | Meet the Small PotatoesMovie | Lester Koop (voice) | 70 |
| 2012 | Final Cut: Ladies and GentlemenMovie | (archive footage) | 69 |
| 2012 | Silent Hill: Revelation 3DMovie | Leonard Wolf | 69 |
| 2012 | ExcisionMovie | Mr. Cooper | 69 |
| 2012 | The Philadelphia ExperimentMovie | Morton Salinger | 69 |
| 2012 | Hollywood as Character: The Locations of The ArtistMovie | Himself | 69 |
| 2012 | The Artist: The Making of an American RomanceMovie | Self | 69 |
| 2012 | Stanley Kubrick in FocusMovie | Self | 69 |
| 2011 | Franklin & BashSeries | Stanton Infeld | 68 |
| 2011 | The ArtistMovie | The Butler | 68 |
| 2011 | Santiago FilesMovie | Narrator | 68 |
| 2011 | Suing The DevilMovie | Satan | 68 |
| 2011 | Turning Like ClockworkMovie | Self | 68 |
| 2011 | Once Upon a Time… A Clockwork OrangeMovie | Self | 68 |
| 2011 | LA Phil LiveMovie | Prospero | 68 |
| 2011 | LEGO Hero Factory: Ordeal of FireMovie | Mr. Makuro (voice) | 68 |
| 2010 | DC Showcase Original Shorts CollectionMovie | Merlyn the Magnificent (segment "Green Arrow") (voice) | 67 |
| 2010 | The Book of EliMovie | Lombardi | 67 |
| 2010 | Barry MundayMovie | Mr. Farley | 67 |
| 2010 | The InvocationMovie | Self | 67 |
| 2010 | Easy AMovie | Principal Gibbons | 67 |
| 2010 | LEGO Hero Factory: Rise of the RookiesMovie | Mr. Makuro (voice) | 67 |
| 2009 | CommunitySeries | Professor Cornwallis | 66 |
| 2009 | Super RhinoMovie | Dr. Calico (voice) | 66 |
| 2009 | SuckMovie | Eddie Van Helsing | 66 |
| 2009 | Starz Inside - Unforgettably EvilMovie | Self | 66 |
| 2009 | Behind The Scenes of CaligulaMovie | — | 66 |
| 2009 | Halloween IIMovie | Dr. Samuel Loomis | 66 |
| 2008 | The MentalistSeries | Bret Stiles | 65 |
| 2008 | BoltMovie | Dr. Calico (voice) | 65 |
| 2008 | Coco ChanelMovie | Marc Bouchier | 65 |
| 2008 | DoomsdayMovie | Dr. Marcus Kane | 65 |
| 2008 | DelgoMovie | Raius (voice) | 65 |
| 2008 | The Making of Fallout 3: The Vault-Tec FilesMovie | Self | 65 |
| 2008 | Michael Lives: The Making of HalloweenMovie | Self | 65 |
| 2008 | Anatomy of Catastrophe: The Making of 'Doomsday'Movie | Self | 65 |
| 2007 | Phineas and FerbSeries | Grandpa (voice) | 64 |
| 2007 | The ListMovie | Desmond Larochette | 64 |
| 2007 | War and PeaceSeries | Prince Bolkonski | 64 |
| 2007 | Robot Chicken: Star WarsMovie | Orientation Instructor (voice) | 64 |
| 2007 | ExitzMovie | Percy | 64 |
| 2007 | Lost Kubrick: The Unfinished Films of Stanley KubrickMovie | Self - Narrator (voice) | 64 |
| 2006 | HeroesSeries | Daniel Linderman | 63 |
| 2006 | PsychSeries | Ambassador Fanshaw | 63 |
| 2006 | The Curse of King Tut's TombMovie | Nathan Cairns | 63 |
| 2006 | Bye Bye BenjaminMovie | Mr. Coleman | 63 |
| 2006 | MetalocalypseSeries | Vater Orlaag (voice) | 63 |
| 2005 | Robot ChickenSeries | 1776 announcer/reporter | 62 |
| 2005 | Mirror Wars: Reflection OneMovie | Dick Murdoch | 62 |
| 2005 | Rag TaleMovie | Richard Morton | 62 |
| 2004 | EntourageSeries | Terrance McQuewick | 61 |
| 2004 | Justice League UnlimitedSeries | Metallo (voice) | 61 |
| 2004 | EvilenkoMovie | Andrej 'Romanovic' Evilenko | 61 |
| 2004 | In Good CompanyMovie | Teddy K (uncredited) | 61 |
| 2004 | Bobby Jones: Stroke of GeniusMovie | O.B. Keeler | 61 |
| 2004 | Cast & Crew: If....Movie | Self - Interviewee | 61 |
| 2004 | Pinocchio 3000Movie | Scamboli (voice) | 61 |
| 2003 | Teen TitansSeries | Mad Mod (voice) | 60 |
| 2003 | I'll Sleep When I'm DeadMovie | Boad | 60 |
| 2003 | Red Roses and PetrolMovie | Enda Doyle | 60 |
| 2003 | DorianMovie | Henry | 60 |
| 2003 | The CompanyMovie | Alberto Antonelli | 60 |
| 2003 | InhabitedMovie | Dr. Werner | 60 |
| 2002 | MonkSeries | Julian Hodge | 59 |
| 2002 | CSI: MiamiSeries | Darren Vogel | 59 |
| 2002 | Shadow RealmMovie | Martin Hudson | 59 |
| 2002 | I SpyMovie | Gundars | 59 |
| 2002 | Between StrangersMovie | Alan Baxter | 59 |
| 2002 | The BarberMovie | Dexter Miles | 59 |
| 2001 | Law & Order: Criminal IntentSeries | Jonas Slaughter | 58 |
| 2001 | The Grim Adventures of Billy and MandySeries | Baron Von Ghoulish | 58 |
| 2001 | Just VisitingMovie | Wizard | 58 |
| 2001 | Stanley Kubrick: A Life in PicturesMovie | Self | 58 |
| 2000 | Island of the DeadMovie | Rupert King | 57 |
| 2000 | Still Tickin': The Return of 'A Clockwork Orange'Movie | Self | 57 |
| 2000 | Gangster No. 1Movie | Gangster 55 | 57 |
| 2000 | St. Patrick: The Irish LegendMovie | Quentin | 57 |
| 2000 | The David Cassidy StoryMovie | Jack Cassidy | 57 |
| 1999 | My Life So FarMovie | Uncle Morris MacIntosh | 56 |
| 1999 | The Late Late Show with Craig KilbornSeries | Self - Guest | 56 |
| 1999 | SpongeBob SquarePantsSeries | Percival Rockhound (voice) | 56 |
| 1999 | Y2KMovie | Seward | 56 |
| 1999 | Love Lies BleedingMovie | Malcolm Mead | 56 |
| 1999 | Can of WormsMovie | Barnabus (voice) | 56 |
| 1999 | Southern CrossMovie | Felipe Solano | 56 |
| 1998 | The First 9½ WeeksMovie | Francois Dubois | 55 |
| 1998 | Fantasy IslandSeries | Mr. Roarke | 55 |
| 1998 | The GardenerMovie | Ben Carter | 55 |
| 1998 | Day of the Full MoonMovie | — | 55 |
| 1997 | South ParkSeries | A British Person (voice) | 54 |
| 1997 | LexxSeries | Yottskry | 54 |
| 1997 | Mr. MagooMovie | Austin Cloquet | 54 |
| 1997 | AsylumMovie | Sullivan Rane / Doc | 54 |
| 1997 | Hugo PoolMovie | Henry Dugay | 54 |
| 1996 | Yesterday's TargetMovie | Holden | 53 |
| 1996 | Where Truth LiesMovie | Dr. Vernon Renquist | 53 |
| 1996 | Superman: The Animated SeriesSeries | John Corben (voice) | 53 |
| 1996 | Our Friends in the NorthSeries | Benny Barratt | 53 |
| 1996 | Night Train to VeniceMovie | Stranger | 53 |
| 1996 | Superman: The Last Son of KryptonMovie | John Corben (voice) | 53 |
| 1996 | PearlSeries | Professor Stephen Pynchon | 53 |
| 1996 | Captain Simian & the Space MonkeysSeries | Rhesus 2 (voice) | 53 |
| 1996 | Stanley Kubrick: The Invisible ManMovie | Self | 53 |
| 1996 | RingerMovie | Noel | 53 |
| 1995 | The Outer LimitsSeries | Ship (voice) | 52 |
| 1995 | Fatal PursuitMovie | Bechtel | 52 |
| 1995 | The SurgeonMovie | Dr. Stein | 52 |
| 1995 | Kids of the Round TableMovie | Merlin | 52 |
| 1994 | The Magic School BusSeries | Mr. McClean (voice) | 51 |
| 1994 | Milk MoneyMovie | Waltzer | 51 |
| 1994 | Star Trek: GenerationsMovie | Dr. Tolian Soran | 51 |
| 1994 | Spider-ManSeries | Whistler (voice) | 51 |
| 1994 | The Man Who Wouldn't DieMovie | Bernard Drake / Ian Morrissey | 51 |
| 1993 | FrasierSeries | Dr. Bruga (voice) | 50 |
| 1993 | Your Guide to Star Trek: GenerationsMovie | Self | 50 |
| 1992 | Batman: The Animated SeriesSeries | Arcady Duvall (voice) | 49 |
| 1992 | The PlayerMovie | Malcolm McDowell | 49 |
| 1992 | Chain of DesireMovie | Hubert Bailey | 49 |
| 1991 | Pebble MillSeries | Self | 48 |
| 1991 | Assassin of the TsarMovie | Timofeyev / Yurovsky | 48 |
| 1990 | DisturbedMovie | Dr. Derrick Russell | 47 |
| 1990 | Jezebel's KissMovie | Benjamin J. Faberson | 47 |
| 1990 | Class of 1999Movie | Dr. Miles Langford | 47 |
| 1990 | Maggio musicaleMovie | Pier Francesco Ferraioli | 47 |
| 1989 | Tales from the CryptSeries | Donald Longtooth | 46 |
| 1989 | Buy & CellMovie | Warden Tennant | 46 |
| 1989 | Happily Ever AfterMovie | Lord Maliss (voice) | 46 |
| 1988 | SunsetMovie | Alfie Alperin | 45 |
| 1988 | An Audience With Victoria WoodMovie | Self | 45 |
| 1987 | The Dame Edna ExperienceSeries | Self | 44 |
| 1987 | The CallerMovie | The Caller | 44 |
| 1985 | Arthur the KingMovie | King Arthur | 42 |
| 1985 | GulagMovie | The Englishman | 42 |
| 1983 | Blue ThunderMovie | Cochrane | 40 |
| 1983 | Cross CreekMovie | Max Perkins | 40 |
| 1982 | Faerie Tale TheatreSeries | Reginald Von Lupin / The Wolf / Narrator (voice) | 39 |
| 1982 | The Compleat BeatlesMovie | Narrator | 39 |
| 1982 | Cat PeopleMovie | Paul Gallier | 39 |
| 1980 | Look Back in AngerMovie | Jimmy Porter | 37 |
| 1979 | CaligulaMovie | Caligula | 36 |
| 1979 | Time After TimeMovie | H. G. Wells | 36 |
| 1979 | Echoes of the Sixties: A Musical TripMovie | Self | 36 |
| 1978 | An Audience with...Series | Self | 35 |
| 1977 | BBC2 Play of the WeekSeries | Chandos | 34 |
| 1977 | Beryl ReidSeries | — | 34 |
| 1976 | Voyage of the DamnedMovie | Max Gunter | 33 |
| 1975 | Saturday Night LiveSeries | Self - Host | 32 |
| 1975 | Royal FlashMovie | Captain Harry Flashman / Prince Karl Magnus | 32 |
| 1973 | O Lucky Man!Movie | Michael Arnold Travis / Plantation Thief | 30 |
| 1973 | O Lucky Man! Innovations in EntertainmentMovie | Himself | 30 |
| 1971 | Great PerformancesSeries | Bill | 28 |
| 1971 | A Clockwork OrangeMovie | Alex | 28 |
| 1971 | Film '72Series | Self | 28 |
| 1970 | Figures in a LandscapeMovie | Ansell | 27 |
| 1967 | Boy Meets GirlSeries | Martin | 24 |
| 1967 | Sat'day While SundaySeries | Frankie | 24 |
| 1965 | Knock on Any DoorSeries | Gordon Isaacs | 22 |
| 1964 | The Wednesday PlaySeries | Happy | 21 |
| 0 | The PanicMovie | Stanford White | — |
| 0 | DirtMovie | — | — |
| 0 | Dog & BullMovie | — | — |
| 0 | The Vampyre: Blood & InkMovie | — | — |