David Hemblen (16 September 1941 – 16 November 2020) was an English-born Canadian actor. He was born in London, but raised in Toronto.
He is known for his role as George in La Femme Nikita, Customs inspector in Atom Egoyan's Exotica, Lord Dread/Lyman Taggert in Captain Power and the Soldiers of the Future, Detective Dick Hargrove in T. and T. and as Inspector Winterguild in TekWar: TekLords.
He is also known for his role as Johnathan Doors in Earth: Final Conflict and for voicing the character of Magneto in the X-Men animated series from 1992 to 1997.
Hemblen died on 16 November 2020 in Toronto at the age of 79.