
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 Broadway's 1972 Tony Award as Best Supporting or Featured Actor (Dramatic) for his performance in Vivat! Vivat Regina!

2001: A Space Odyssey
1968 · as HAL 9000 (voice)

2010
1984 · as HAL 9000 (voice)

Sleeper
1973 · as Bio Central Computer 2100, Series G (voice)

Love & Larceny
1985 · as Ashton Fletcher

Oedipus Rex
1957 · as Messenger

A Cry of Angels
1963

The Man Who Skied Down Everest
1975 · as Narrator

Henry V
1967 · as King Henry V

Universe
1960 · as Narrator

The Stratford Adventure
1954 · as Self

The Russian German War
1995 · as Narrator (voice)

Buddhism
1962 · as Narrator

Robert Baldwin: A Matter Of Principle
1961 · as William Lyon Mackenzie

Fields of Sacrifice
1963 · as Narrator (voice)

Tour en l'air
1973 · as Narrator (voice)

Donald Brittain: Filmmaker
1992 · as Self - Narrator (voice)

Bird of Passage
1966 · as Narrator