About Dan O'Herlihy
Daniel Peter O'Herlihy 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). O'Herlihy's first notable acting role came in 1944, when he played the lead in the Gate's production of Red Roses For Me, written and directed by Seán O'Casey. After graduating from the university, he decided to pursue acting full-time, working at the Abbey and Gate Theatre, first as a set designer, then later as an actor. On The Long, Hot Summer, O'Herlihy became the lead star, having replaced Edmond O'Brien in the part of Will Varner midway through the program's single-season run.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.