Daniel Peter O'Herlihy (1 May 1919 – 17 February 2005) was an Irish actor. His best-known roles included his Oscar-nominated portrayal of the title character in Luis Buñuel's Robinson Crusoe (1954), Brigadier General Warren A. Black in Fail Safe (1964), Marshal Ney in Waterloo (1970), Conal Cochran in Halloween III: Season of the Witch (1982), Grig in The Last Starfighter (1984), "The Old Man" in RoboCop (1987) and its 1990 sequel, and Andrew Packard in the television series Twin Peaks (1990–91). Wikipedia
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