| Year | Title | Role | Notes | Ref. |
|---|
| 1960 | The Entertainer | Mick Rice | | |
| Saturday Night and Sunday Morning | Arthur Seaton | BAFTA Award for Most Promising Newcomer to Leading Film Roles Mar del Plata International Film Festival Award for Best ActorNominated – BAFTA Award for Best British Actor | |
| 1963 | Tom Jones | Tom Jones | Golden Globe Award for Most Promising Newcomer – Male Volpi Cup for Best ActorNominated – Academy Award for Best ActorNominated – BAFTA Award for Best British ActorNominated – Golden Globe Award for Best Actor – Musical or ComedyNominated – Golden Laurel Award for Top Male Comedic Performance | |
| The Victors | Russian Soldier | | |
| 1964 | Night Must Fall | Danny | | |
| 1967 | Two for the Road | Mark Wallace | | |
| 1968 | Charlie Bubbles | Charlie Bubbles | Also director | |
| 1969 | The Picasso Summer | George Smith | | |
| 1970 | Scrooge | Ebenezer Scrooge | Golden Globe Award for Best Actor – Musical or Comedy Nominated – Golden Laurel Award for Top Male Comedic Performance | |
| 1971 | Gumshoe | Eddie Ginley | Nominated – BAFTA Award for Best Actor in a Leading Role | |
| 1973 | Alpha Beta | Frank Elliot | | |
| 1974 | Murder on the Orient Express | Hercule Poirot | Evening Standard British Film Award for Best Actor Nominated – Academy Award for Best ActorNominated – BAFTA Award for Best Actor in a Leading Role | |
| 1975 | The Adventure of Sherlock Holmes' Smarter Brother | Man In opera audience | Cameo; uncredited | |
| 1977 | The Duellists | Fouche | | |
| 1981 | Loophole | Mike Daniels | | |
| Wolfen | Detective Dewey Wilson | Nominated – Saturn Award for Best Actor | |
| Looker | Dr. Larry Roberts | | |
| 1982 | Shoot the Moon | George Dunlap | Nominated – BAFTA Award for Best Actor in a Leading Role Nominated – Golden Globe Award for Best Actor – Drama | |
| Annie | Oliver 'Daddy' Warbucks | | |
| 1983 | The Dresser | Sir | Nominated – Academy Award for Best Actor Nominated – BAFTA Award for Best Actor in a Leading RoleNominated – Golden Globe Award for Best Actor – DramaNominated – Silver Berlin Bear for Best Actor | |
| 1984 | Under the Volcano | Geoffrey Firmin | Nominated – Academy Award for Best Actor Nominated – Golden Globe Award for Best Actor – DramaNominated – Joseph Plateau Award for Best ActorNominated – National Society of Film Critics Award for Best Actor | |
| 1987 | Orphans | Harold | | |
| 1990 | Miller's Crossing | Liam 'Leo' O'Bannon | | |
| Roger Waters – The Wall – Live in Berlin | The Judge | | |
| 1992 | The Playboys | Constable Brendan Hegarty | | |
| 1993 | Rich in Love | Warren Odom | | |
| 1994 | The Browning Version | Andrew Crocker-Harris | | |
| A Man of No Importance | Alfred Byrne | | |
| 1995 | The Run of the Country | Danny's Father | | |
| 1997 | Washington Square | Dr. Austin Sloper | | |
| 1999 | Breakfast of Champions | Kilgore Trout | | |
| Simpatico | Simms | | |
| 2000 | Erin Brockovich | Ed Masry | SAG Award for Outstanding Performance by an Actor in a Supporting Role Nominated – Academy Award for Best Supporting ActorNominated – BAFTA Award for Best Actor in a Supporting RoleNominated – Golden Globe Award for Best Supporting ActorNominated – Satellite Award for Best Supporting Actor | |
| Traffic | White House Chief of Staff | SAG Award for Outstanding Performance by a Cast in a Motion Picture | |
| 2001 | Delivering Milo | Elmore Dahl | | |
| 2003 | Big Fish | Edward Bloom - senior | Nominated – BAFTA Award for Best Actor in a Supporting Role Nominated – Golden Globe Award for Best Supporting ActorNominated – Saturn Award for Best Actor | |
| 2004 | Ocean's Twelve | Gaspar LeMarc | Uncredited cameo | |
| 2005 | Corpse Bride | Finis Everglot | Voice | |
| 2006 | A Good Year | Uncle Henry Skinner | | |
| Amazing Grace | John Newton | | |
| 2007 | The Bourne Ultimatum | Dr. Albert Hirsch | | |
| Before the Devil Knows You're Dead | Charles Hanson | Gotham Independent Film Award for Best Ensemble Performance | |
| 2012 | The Bourne Legacy | Dr. Albert Hirsch | | |
| Skyfall | Kincade | | |