Filmography
| Year | Title | Role |
| 2023 | Heroes of the Golden Mask (2023) | Rizzo |
| 2021 | Boris Karloff: The Man Behind the Monster (2021) | Self |
| 2019 | Cliffs of Freedom | Thanasi |
| 2019 | Knives Out | Harlan Thrombey |
| 2019 | The Last Full Measure | Frank Pitsenbarger |
| 2018 | Boundaries (2018) | Jack Jaconi |
| 2017 | Money, Money, Money | Martin Yahl |
| 2017 | The Star (2017) | Herod |
| 2017 | The Man Who Invented Christmas | Ebenezer Scrooge |
| 2017 | All the Money in the World | J. Paul Getty |
| 2017 | Howard Lovecraft & the Undersea Kingdom | Dr. West |
| 2016 | Howard Lovecraft & the Frozen Kingdom | Dr. West |
| 2016 | The Exception | Kaiser Wilhelm II |
| 2015 | Danny Collins | Frank Grubman |
| 2015 | Pixies | Pixie King |
| 2015 | Remember (2016) | Zev Gutman |
| 2014 | Elsa & Fred | Fred |
| 2014 | Hector and the Search for Happiness | Professor Coreman |
| 2014 | The Forger (2015) | Joseph Cutter |
| 2013 | The Legend of Sarila | Croolik |
| 2013 | Muhammad Ali's Greatest Fight | John Marshall Harlan |
| 2012 | BIFF 2013: Session 33 - This Killing Business | Production Design |
| 2011 | Priest | Monsignor Orelas |
| 2011 | The Girl With the Dragon Tattoo (2011) | Henrik Vanger |
| 2011 | Barrymore | Barrymore |
| 2010 | Beginners | Hal |
| 2009 | Up | Charles Muntz |
| 2009 | 9 (2009) | 1 |
| 2009 | The Last Station | Tolstoy |
| 2009 | The Imaginarium of Doctor Parnassus | Dr. Parnassus |
| 2009 | My Dog Tulip | J.R. Ackerley |
| 2007 | Man in the Chair | Flash Madden |
| 2007 | Emotional Arithmetic | David Winters |
| 2007 | Closing the Ring | Jack |
| 2006 | Inside Man (2006) | Arthur Case |
| 2006 | The Lake House | Louis Burnham |
| 2005 | The New World | Captain Christopher Newport |
| 2005 | Must Love Dogs | Bill |
| 2005 | Four Minutes | Archie Mason |
| 2005 | Our Fathers | Cardinal Bernard Law |
| 2004 | National Treasure (2004) | John Adams Gates |
| 2003 | Cold Creek Manor | Mr. Massie |
| 2003 | The Gospel of John | Narrator |
| 2003 | Blizzard | Santa Claus |
| 2003 | Alexander (2004) | Aristotle |
| 2002 | Ararat | David |
| 2002 | Nicholas Nickleby (2002) | Ralph Nickleby |
| 2001 | A Beautiful Mind (2001) | Dr. Rosen |
| 2001 | Lucky Break | Graham Mortimer |
| 2000 | Wes Craven Presents: Dracula 2000 | Abraham Van Helsing |
| 1999 | The Insider | Mike Wallace |
| 1999 | Madeline: Meet Me in Paris | Narrator |
| 1995 | 12 Monkeys | Dr. Leland Goines |
| 1995 | Dolores Claiborne | Det. John Mackey |
| 1994 | Lobo | Raymond Alden |
| 1992 | One Crazy Night | Mel Wexler |
| 1991 | Star Trek VI: The Undiscovered Country | General Chang |
| 1991 | Rock-A-Doodle | Grand Duke |
| 1989 | The First Emperor of China | Actor |
| 1989 | Mindfield | Doctor Satorius |
| 1987 | Dragnet | Reverend Jonathan Whirley |
| 1987 | L'homme qui plantait des arbres | Narrator |
| 1986 | An American Tail | Henri |
| 1985 | J.W. Morrice | Narrator |
| 1981 | Eyewitness | Joseph |
| 1980 | Somewhere in Time | William Fawcett Robinson |
| 1979 | Murder by Decree | Sherlock Holmes |
| 1979 | Starcrash | The Emperor |
| 1978 | The Silent Partner | Harry Reikle |
| 1978 | International Velvet | John Seaton |
| 1976 | Aces High | Capt. "Uncle" Sinclair |
| 1975 | The Man Who Would Be King | Rudyard Kipling |
| 1975 | The Return of the Pink Panther | Sir Charles Litton |
| 1969 | Lock Up Your Sons and Daughters | Lord Foppington |
| 1969 | Battle of Britain | Squadron Leader Colin Harvey |
| 1968 | Oedipus the King | Oedipus |
| 1967 | The Night of the Generals | Field Marshal Rommel |
| 1965 | The Sound of Music (1965) | Captain von Trapp |
| 1965 | Inside Daisy Clover | Raymond Swan |
| 1964 | The Fall of the Roman Empire | Commodus |
| 1958 | Wind Across the Everglades | Walt Murdock |
