| At 15, he dropped out of school to become an apprentice toolmaker at Vickers Armstrong. He stayed interested in mechanical things and even collected antique guns. |
| Made a Commander of Order of the British Empire in 1992 and knighted by Queen Elizabeth II in 1997. |
| Joined London's National Theatre in 1963, when it was under the direction of Sir Laurence Olivier. Gambom appeared in many productions including The Royal Hunt of the Sun, The Cruc |
| Has been nominated for myriad Olivier Awards and won for 1986's A Chorus of Disapproval, 1988's A View from the Bridge and 1990's Man of the Moment. |
| First major big-screen role was in the campy 1974 werewolf movie The Beast Must Die. |