Douglas Rain March 13 1928 November 11 2018 was a Canadian actor and narrator He was primarily a stage actor but his best known film role was as the voice of the HAL 9000 computer in 2001 A Space Odyssey 1968 and its sequel 2010 1984 Rain was born in Winnipeg Manitoba He studied acting at the Banff School of Fine Arts in Banff Alberta as well as in London at the Old Vic School As a stage actor his long association with the Stratford Festival of Canada that spans more than four decades He has performed in many diverse roles on stage most notably recognized for his performance at Stratford Ontario in Henry V which was made into a television production in 1966 Rain was also nominated for Broadways 1972 Tony Award as Best Supporting or Featured Actor Dramatic for his performance in Vivat Vivat Regina