| 2024 | The Gates | Frederick Ladbroke |
| 2024 | Legends of Ileydria | Narrator |
| — | The Gold Cross | Rodrigues |
| — | Nameless | Barnaby |
| 2018 | Fragments of Truth | Narrator (voice) |
| 2017 | I Am Israel | Narrator |
| 2016 | The Blue Mauritius | Hanson |
| 2016 | Winter Thaw | Martin Avdeitch |
| — | The Sword of Thyrus | King Athol |
| — | Archaeology | Host |
| 2022 | Starbright | Raphael |
| — | A Filmmaker's Journey: Making 'The Return of the King' | Self |
| — | Lantern City | Desmond Wilhorn |
| 2023 | Indiana Džounsas ir lemties artefaktas | Sallah |
| 2023 | Akvamenas 2: Prarasta karalystė | Brine King (voice) |
| 2023 | Timeless Heroes: Indiana Jones & Harrison Ford | Self |
| 2023 | The Making of Indiana Jones and the Dial of Destiny | Self |
| 2022 | Kingslayer | Guillaume Maréchal |
| 2021 | Indiana Jones : à la recherche de l'âge d'or perdu | Self - Actor (archive footage) |
| 2021 | Bad Cupid | Archie |
| 2021 | Stille Nacht - Ein Lied für die Welt | Douglas Haig |
| 2020 | Wizards: Tales of Arcadia | Galahad (voice) |
| 2020 | G-Loc | Henry |
| 2020 | Grizzly II: Revenge | Bouchard |
| 2020 | Dievų slėnis | Dr. Hermann |
| 2020 | Tainted | Vladimir |
| 2020 | I Am Patrick: The Patron Saint of Ireland | |
| 2020 | Skuggahverfið | Einar |
| 2020 | Josh Gates Tonight | Self |
| 2020 | Reunited Apart | Self |
| 2020 | Moments in Spacetime | Mason |
| 2019 | The Pilgrim's Progress | Evangelist (voice) |
| 2019 | Mozlis | Warnie (voice) |
| 2019 | Santa Fake | Jow |
| 2018 | Akvamenas | Brine King (voice) |
| 2018 | Aux | Jack |
| 2016 | The Shannara Chronicles | Eventine |
| 2016 | Camera Store | Pinky Steuben |
| 2016 | The Apostle Peter: Redemption | Peter |
| 2015 | Po kauke | Charles Kemp |
| 2015 | Killing Jesus | Annas |
| 2015 | The Adventures of Puss in Boots | Goodsword (voice) |
| 2015 | Raiders!: The Story of the Greatest Fan Film Ever Made | Self |
| 2015 | Documentary Now! | Garth Davies-Gruffudd |
| 2015 | Golden Shoes | Burt |
| 2015 | Harvey Beaks | Elder Bug (voice) |
| 2015 | The Watchmaker's Apprentice | Narrator |
| 2015 | Many Beautiful Things | John Ruskin (voice) |
| 2014 | Laiko klaida | Mr. Bezzeredes |
| 2014 | Apocalypse Pompeii | Colonel Carlos Dillard |
| 2014 | Saul: The Journey to Damascus | Caiphas |
| 2014 | Under Milk Wood | Voice |
| 2014 | Let The Season In | Self / Narrator |
| 2013 | 100 Degrees Below Zero | Ralph Dillard |
| 2013 | Scooby-Doo! Adventures: The Mystery Map | Gnarlybeard (voice) |
| 2013 | Prisoners of the Sun | Professor Hayden Masterton |
| 2013 | Concrete Blondes | Kostas Jakobatos |
| 2013 | Die schlechtesten Filme aller Zeiten | Bouchard (archive footage) |
| 2013 | Smokin' | Doctor |
| 2012 | Metal Hurlant Chronicles | L'alchimiste |
| 2012 | Escape | Malcom Andrews |
| 2012 | Missing Christmas | Narrator / Santa (voice) |
| 2011 | Senų senovėje | Grand Pabbie (voice) |
| 2011 | Senų senovėje | Narrator (voice) |
| 2011 | Face Off | Self - Guest Judge |
| 2011 | Ferocious Planet | Senator Jackson Crenshaw |
| 2011 | Return to the Hiding Place | Eusi |
| 2011 | La leyenda del tesoro | |
| 2011 | The King James Bible: The Book That Changed the World | Himeself (Narrator) |
| 2010 | Tomas ir Džeris: Šerlokas Holmsas | Dr. Watson (voice) |
| 2010 | Fish Hooks | Magic Apple (voice) |
| 2010 | Medium Raw | Elliot Carbon |
| 2010 | Three Wise Women | Green |
| 2009 | Anakonda 4: Kraujo žymės | Murdoch |
| 2009 | Kröd Mändoon and the Flaming Sword of Fire | |
| 2009 | Reclaiming the Blade | Narrator (voice) |
| 2009 | 31 North 62 East | John Hammond |
| 2008 | Anakonda 3: Palikuonis | Murdoch |
| 2008 | Legend of the Seeker | Horace |
| 2008 | Fire and Ice: The Dragon Chronicles | Sangimel |
| 2008 | Kiss Me Deadly | Yale Ericson |
| 2008 | The Search for the Ark of the Covenant | Narrator |
| 2007 | Karaliaus vardu. Požemių pasaulio sakmė | Merick |
| 2007 | The Ferryman | The Greek |
| 2007 | The Legend of Sasquatch | |
| 2006 | Aiškeregys | Curator |
| 2006 | Rifo pasaka: Kaip drąsuolis žuviukas ryklį pamokė | Thorton (voice) |
| 2006 | One Night with the King | Mordecai |
| 2005 | Shadows in the Sun | Mr. Andrew Benton |
| 2005 | The Game of Their Lives | Bill Jeffrey |
| 2005 | Revelations | Professor Lampley |
| 2005 | Chupacabra Terror | Captain Randolph |
| 2005 | Ringers: Lord of the Fans | Self |
| 2005 | กบฏ ท้าวศรีสุดาจัน | Phillippe |
| 2005 | The Lost Angel | Father Kevin |
| 2004 | Princesės dienoraštis 2: karališkos sužadėtuvės | Viscount Mabrey |
| 2004 | Super Robot Monkey Team Hyperforce Go! | |
| 2004 | 12 Days Of Terror | Captain |
| 2004 | Vlad | Narrator |
| 2004 | Dragon Storm | King Fastrad |
| 2004 | La Femme Musketeer | Porthos |
| 2004 | The Privileged Planet | Narrator |
| 2004 | Stars of the Pharaohs | Narrator |
| 2003 | Žiedų valdovas. Karaliaus sugrįžimas | Gimli |
| 2003 | Džiunglių knyga 2 | Ranjan's Father (voice) |
| 2003 | Medalionas | Cmdr. Hammerstock-Smythe |
| 2003 | Helen of Troy | King Priam of Troy |
| 2003 | Justice League: Paradise Lost | Lord Hades (voice) |
| 2003 | Coronado | Presidente Hugo Luis Ramos |
| 2003 | Beyond the Movie: The Return of the King | Self / Narrator |
| 2003 | The Search for the Real Mt. Sinai | Narrator |
| 2003 | Film Collectibles: Capturing Movie Memories | Self |
| 2003 | The Making of 20,000 Leagues Under The Sea | Narrator (voice) |
| 2003 | Never Say Never Mind | |
| 2003 | The Making of Shōgun | |
| 2002 | Žiedų valdovas. Dvi tvirtovės | Gimli / Treebeard (voice) |
| 2002 | Fillmore! | |
| 2002 | Scorcher | Dr. Matthew Sallin |
| 2002 | Sabretooth | Anthony Bricklin |
| 2002 | Endangered Species | Police Lt. Wyznowski |
| 2002 | The Making of The Fellowship of the Ring | Self |
| 2001 | Žiedų valdovas. Žiedo brolija | Gimli |
| 2001 | Justice League | Lord Hades (voice) |
| 2001 | The Zeta Project | Edgar Mandragora (voice) |
| 2001 | Beyond the Movie: The Fellowship of the Ring | Narrator (voice) |
| 2001 | Quest for the Ring | Self |
| 2001 | A Passage to Middle-Earth: Making of 'Lord of the Rings' | Self |
| 2000 | Britannic | Captain Barrett |
| 2000 | Sinbad: Beyond the Veil of Mists | King Akron |
| 2000 | Delta Force One: The Lost Patrol | Ivan |
| 2000 | The Secret Adventures of Jules Verne | |
| 1999 | Kempiniukas Plačiakelnis | Man Ray (voice) |
| 1999 | Au Pair | Nigel Kent |
| 1999 | Mickey Mouse Works | Oberon (voice) |
| 1999 | Secret of the Andes | Father Claver |
| 1997 | Cats Don't Dance | Woolie Mammoth (voice) |
| 1997 | The Protector | Rasheed |
| 1997 | You Wish | Mustafa |
| 1996 | Aladdin and the King of Thieves | Cassim (voice) |
| 1996 | Mortal Kombat: Defenders of the Realm | Asgarth (voice) |
| 1996 | The Great White Hype | Johnny Windsor |
| 1996 | Bloodsport III | Jacques Duvalier |
| 1996 | Catherine the Great | Pugachev |
| 1996 | Boo to You Too! Winnie the Pooh | Narrator (voice) |
| 1996 | Arliss | |
| 1996 | Marquis de Sade | Inspector Marais |
| 1996 | Echo of Blue | |
| 1995 | Star Trek: Voyager | Leonardo da Vinci |
| 1995 | Pinky and the Brain | |
| 1995 | Sliders | Maximillian Arturo |
| 1995 | Freakazoid! | Professor Beasthead (voice) |
| 1995 | Glory Daze | Luther |
| 1994 | Gargoyles | Macbeth (voice) |
| 1994 | Aaahh!!! Real Monsters | Head Judge / Zifdo (voice) |
| 1994 | A Flintstones Christmas Carol | Charles Brickens (voice) |
| 1994 | Fantastic Four | |
| 1994 | Duckman | |
| 1994 | The High Crusade | Bruder Parvus |
| 1994 | Blood of the Innocent | Shmuda |
| 1994 | Robot in the Family | Eli Taki / Rashmud / Sashri |
| 1994 | A Mind to Kill | |
| 1993 | Animaniacs | Tympannini (voice) |
| 1993 | Cyborg Cop | Kessel |
| 1993 | The Untouchables | Michael Malone |
| 1993 | Sunset Grill | Stockton |
| 1993 | Peak Practice | Mike King |
| 1993 | South Beach | |
| 1993 | The Seventh Coin | Captain Galil |
| 1993 | The Magic Paintbrush | Zagal (voice) |
| 1992 | Batman: The Animated Series | 'Baron' Waclaw Jozek (voice) |
| 1992 | The Unnamable II | Professor Warren |
| 1992 | The Double 0 Kid | Rudi Von Kseenbaum |
| 1992 | The Lost World | Challanger |
| 1992 | Return to the Lost World | Professor George Challenger |
| 1992 | Canvas | Nick |
| 1992 | Perry Mason: The Case of the Fatal Framing | Phillip Graff |
| 1992 | Ring of the Musketeers | Maurice Treville |
| 1992 | The Making of Aladdin: A Whole New World | Host |
| 1992 | Ring of the Musketeers | Maruice Treville |
| 1991 | The Legend of Prince Valiant | |
| 1991 | Journey of Honor | El Zaidan |
| 1991 | The Strauss Dynasty | Gribov |
| 1991 | Great Expectations | Joe Gargery |
| 1991 | Under Cover | Flynn |
| 1991 | I Misteri Della Giungla Nera | O'Connor |
| 1991 | Before the Storm | Flynn |
| 1991 | Under Cover | Flynn |
| 1991 | Strauss Dynasty | Gribov |
| 1990 | Secret Weapon | Mossad Chief |
| 1989 | Indiana Džounsas ir paskutinis kryžiaus žygis | Sallah |
| 1989 | Tales from the Crypt | Duval |
| 1989 | The Trial of the Incredible Hulk | Wilson Fisk |
| 1989 | Rising Storm | Donwaldo |
| 1989 | The Gifted One | Carl Boardman |
| 1989 | Desperado: Badlands Justice | Richard Marriott |
| 1988 | Waxwork | Werewolf |
| 1988 | Noble House | Quillan Gornt |
| 1988 | War and Remembrance | Sammy Mutterperl |
| 1988 | Il giovane Toscanini | Rossi |
| 1988 | Higher Ground | |
| 1988 | Tusks | Roger Singh |
| 1988 | Goddess of Love | Zeus |
| 1987 | Į dienos šviesą | General Leonid Pushkin |
| 1987 | Perry Mason: The Case of the Murdered Madam | Edward Tremaine |
| 1987 | The Little Match Girl | Chief Murphy |
| 1986 | Einantis per ugnį | Corky Taylor |
| 1986 | In the Shadow of Kilimanjaro | Chris Tucker |
| 1985 | King Solomon's Mines | Dogati |
| 1984 | Džesika Flečer | Harry Waverly |
| 1984 | Džesika Flečer | Lancaster |
| 1984 | Džesika Flečer | Harry Mordecai |
| 1984 | Robinas iš Šervudo | |
| 1984 | Sword of the Valiant: The Legend of Sir Gawain and the Green Knight | Baron Fortinbras |
| 1984 | Nairobi Affair | Simon |
| 1984 | Kim | Babu |
| 1984 | No Man's Land | Grimshaw |
| 1984 | Best Revenge | Mustapha |
| 1983 | Scarecrow and Mrs. King | |
| 1983 | Sahara | Rasoul |
| 1983 | Reilly: Ace of Spies | Tanyatos |
| 1983 | Sadat | Gamal Abdel Nasser |
| 1982 | Victor/Victoria | Andre Cassell |
| 1982 | Ivanhoe | Front de Boeuf |
| 1981 | Indiana Džounsas ir dingusios Sandoros skrynios ieškotojai | Sallah |
| 1981 | Sphinx | Stephanos Markoulis |
| 1981 | The Making of 'Raiders of the Lost Ark' | Self |
| 1981 | Peter and Paul | Silas |
| 1981 | The Island of Adventure | Smith |
| 1980 | Shōgun | Vasco Rodrigues |
| 1980 | Shōgun | Self |
| 1980 | A Nightingale Sang In Berkeley Square | Solicitor |
| 1980 | The Merchant of Venice | Salerio |
| 1980 | Fox | Warleigh |
| 1979 | Question Time | Self - Panellist |
| 1979 | Henry VIII | Capucius, Ambassador from Emperor Charles V |
| 1979 | The Danedyke Mystery | Armchair |
| 1978 | BBC Television Shakespeare | |
| 1978 | Hazell | |
| 1978 | Enemy at the Door | George Trenett |
| 1978 | The Nativity | Nestor |
| 1978 | Fearless Frank | |
| 1977 | CHiPs | Nakura (as John Rhys Davies) |
| 1977 | 1990 | |
| 1977 | Target | |
| 1976 | I, Claudius | |
| 1976 | I, Claudius | Naevius Sutorius Macro |
| 1976 | Beasts | Peter Newell |
| 1976 | Beasts: During Barty's Party | Peter Newell |
| 1975 | The Naked Civil Servant | Barndoor |
| 1975 | The Sweeney | Ron Brett |
| 1975 | Quiller | Leindorf |
| 1974 | Penny Gold | Rugby Player |
| 1974 | Within These Walls | |
| 1973 | Warship | |
| 1972 | The Adventures of Black Beauty | |
| 1972 | The Incredible Robert Baldick: Never Come Night | Caleb Selling |
| 1971 | Budgie | |
| 1971 | The Guardians | |
| 1962 | Z-Cars | |
| 1955 | Dixon of Dock Green | Dunlop |
