Filmography
| Year | Title | Role |
| 2026 | Avengers: Doomsday (2026) | Professor Charles Xavier |
| 2022 | Doctor Strange in the Multiverse of Madness (2022) | Professor Charles Xavier |
| 2019 | The Kid Who Would Be King | Adult Merlin |
| 2019 | Charlie's Angels (2019) | John Bosley |
| 2019 | Coda (2019) | Henry Cole |
| 2017 | Logan (2017) | Charles |
| 2017 | The Emoji Movie | Poop |
| 2017 | The Wilde Wedding | Harold |
| 2016 | Spark: A Space Tail | The Captain |
| 2015 | Ted 2 (2015) | Narrator |
| 2015 | Journey to Space | Narrator |
| 2015 | Christmas Eve | Harris |
| 2015 | Green Room | Darcy |
| 2014 | Sinbad The Fifth Voyage | Narrator |
| 2014 | X-Men: Days of Future Past | Charles Xavier |
| 2014 | Legends of Oz: Dorothy Returns 3D | Tugg |
| 2014 | Match | Tobi Powell |
| 2013 | Hunting Elephants | Lord Michael Simpson |
| 2012 | Ted | Narrator |
| 2012 | Icebound | Narrator |
| 2011 | Gnomeo and Juliet | Bill Shakespeare |
| 2011 | African Cats | Narrator |
| 2007 | Earth (2007) | Narrator |
| 2007 | TMNT (2007) | Max Winters |
| 2006 | X-Men: The Last Stand | Prof. Charles Xavier |
| 2006 | Bambi II | The Great Prince |
| 2005 | Chicken Little | Mr. Woolensworth |
| 2005 | The Game of Their Lives | Older Dent McSkimming |
| 2004 | Boo, Zino & The Snurks | Albert Drollinger |
| 2004 | Steamboy | Dr. Lloyd Steam |
| 2003 | X2 | Professor Charles Xavier |
| 2002 | Star Trek: Nemesis | Captain Jean-Luc Picard |
| 2002 | King of Texas | John Lear |
| 2001 | Jimmy Neutron: Boy Genius | King Goobot |
| 2000 | X-Men (2000) | Xavier |
| 1998 | The Prince of Egypt | Pharaoh Seti I |
| 1998 | Star Trek: Insurrection | Captain Jean-Luc Picard |
| 1998 | Safe House (1998) | Mace Sowell |
| 1997 | Conspiracy Theory | Dr. Jonas |
| 1997 | Whales | Narrator |
| 1996 | Star Trek: First Contact | Captain Jean-Luc Picard |
| 1995 | Let It Be Known | John |
| 1994 | The Pagemaster | Adventure |
| 1994 | Star Trek Generations | Picard |
| 1993 | The Secret of Life on Earth | Narrator |
| 1993 | Robin Hood: Men in Tights | King Richard |
| 1986 | Lady Jane | Henry Grey |
| 1985 | Lifeforce | Dr. Armstrong |
| 1984 | Nausicaa of the Valley of the Wind | Lord Yupa |
| 1984 | Dune (1984) | Gurney Halleck |
| 1982 | The Plague Dogs | Major |
| 1981 | Excalibur | Leondegrance |
