Biography
Daniel Peter O'Herlihy (May 1, 1919 – February 17, 2005) was an Irish film actor, known for such roles as Brigadier General Warren A. "Blackie" Black in Fail Safe, Marshal Ney in Waterloo, Conal Cochran in Halloween III: Season of the Witch, "The Old Man" in RoboCop, and Andrew Packard in Twin Peaks. He was nominated for the Academy Award for Best Actor for the 1954 film Adventures of Robinson Crusoe.
Known For

RoboCop
The Old Man

RoboCop 2
The Old Man

Halloween III: Season of ...
Conal Cochran

The Desert Fox: The Story...
Commando Captain (uncredited)

Sword of Venus
Danglars

The Last Starfighter
Grig

Waterloo
Marshal Michel Ney

The Iroquois Trail
Lt. Blakely

The Tamarind Seed
Fergus Stephenson

Imitation of Life
David Edwards