Alister Williamson: Alister Williamson. Actor: The Oblong Box. Alister Williamson (17 June 1918 - 19 May 1999) was an Australian-born character actor, who appeared in many British films and television series of the 1960s and 1970s. A big, craggy-faced man, he would usually be found playing gruff police inspectors or henchmen in adventure series and police dramas of the period. He was also notable as a supporting player in a number of...
Known For: The Oblong Box (Sir Edward Markham), The Avengers (Detective Superintendent WilsonTom), Teletale (Nikita), Please Sir! (Mr. Duffy)