Filmography
| Year | Title | Role |
| 2010 | Cameraman: The Life and Work of Jack Cardiff | Actor |
| 2002 | Bowling for Columbine | Self |
| 2001 | Town And Country | Eugenie's Father |
| 2001 | Cats & Dogs (2001) | Mastiff |
| 1999 | Any Given Sunday | Commissioner |
| 1999 | Forever Hollywood (1999) | Self |
| 1997 | Hercules (1997) | Narrator |
| 1997 | Alaska: Spirit of the Wild | Narrator |
| 1996 | Alaska (1996) | Perry |
| 1996 | Hamlet – NT Live 10th Anniversary | Player King |
| 1995 | In the Mouth of Madness | Jackson Harglow |
| 1994 | True Lies | Spencer Trilby |
| 1993 | Tombstone | Henry Hooker |
| 1990 | Almost an Angel | God |
| 1988 | A MAN OF ALL/A Man Of All Seasons | Sir Thomas More |
| 1980 | The Mountain Men | Bill Tyler |
| 1978 | Crossed Swords | Henry VIII |
| 1976 | Midway (1976) | Captain Matt Garth |
| 1976 | Two Minute Warning | Capt. Peter Holly |
| 1976 | The Last Hard Men | Sam Burgade |
| 1975 | The Four Musketeers | Cardinal Richelieu |
| 1974 | Airport 1975 | Alan Murdock |
| 1973 | Soylent Green | Detective Robert Thorn |
| 1972 | Antony and Cleopatra | Marc Antony |
| 1971 | The Omega Man | Robert Neville |
| 1970 | Beneath the Planet of the Apes | George Taylor |
| 1968 | Planet of the Apes (1968) | Col. George Taylor |
| 1968 | Will Penny | Will Penny |
| 1966 | Khartoum | Gen. Charles "Chinese" Gordon |
| 1965 | Major Dundee | Major Amos Charles Dundee |
| 1965 | The War Lord | Chrysagon |
| 1965 | The Agony and the Ecstasy | Michelangelo |
| 1965 | The Greatest Story Ever Told | John the Baptist |
| 1963 | 55 Days at Peking | Maj. Matt Lewis |
| 1963 | Diamond Head | Richard "King" Howland |
| 1961 | El Cid | El Cid (Rodrigo Díaz de Vivar) |
| 1959 | Ben-Hur (1959) | Judah Ben-Hur |
| 1958 | The Big Country | Steve Leech |
| 1958 | Touch of Evil | Ramon Miguel "Mike" Vargas |
| 1956 | The Ten Commandments (1956) | Moses |
| 1955 | Lucy Gallant | Casey Cole |
| 1954 | The Naked Jungle | Christopher Leiningen |
| 1953 | Arrowhead | Ed Bannon |
| 1952 | The Greatest Show on Earth (1952) | Marc Braden |
| 1952 | Ruby Gentry | Boake Tackman |
| 1942 | Peer Gynt | Peer Gynt |
