When Did Alister Williamson Die?

Alister Williamson 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 classic British horror films.