Michael Wincott
From Halopedia, the Halo wiki
Michael Wincott is a Canadian actor best known for his deep, gravelly voice.
Born on January 21, 1958, in Toronto, Ontario, Canada, Wincott was raised in Scarborough, Canada which is a suburb of Toronto. He graduated from Juilliard Drama School in 1986.
Wincott is most identifiable playing either small, character roles in independent films or villains in more mainstream fare. His most recognizable role was the evil crime lord Top Dollar in 1994's The Crow.
He contributed his voice to Halo 2 as the Prophet of Truth. Michael Wincott was unwilling to continue his role within Halo 3, so he was replaced by Terence Stamp as Truth's voice.[1]
