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.
Fail Safe
As Brig. Gen. Warren A. Black
Halloween III: Season of the Witch
As Conal Cochran
RoboCop 2
As The Old Man
RoboCop
As The Old Man
The Black Shield of Falworth
As Prince Hal of Wales
The Last Starfighter
As Grig
The Desert Fox: The Story of Rommel
As Commando Captain (uncredited)
Larceny
As Duke
Imitation of Life
As David Edwards
Mark Twain: Beneath the Laughter
As Mark Twain
Macbeth
As Macduff
King of the Roaring 20's – The Story of Arnold Rothstein
As Detective Phil Butler
100 Rifles
As Steven Grimes
The Virgin Queen
As Lord Derry
Odd Man Out
As Nolan
Invasion, U.S.A.
As Mr. Ohman
The Young Land
As Judge Millard Isham
The Dead
As Mr. Browne
The Tamarind Seed
As Fergus Stephenson
The Big Cube
As Charles Winthrop
The Carey Treatment
As J.D. Randall
Love, Cheat & Steal
As Hamilton Fisk
Robinson Crusoe
As Robinson Crusoe
That Woman Opposite
As Dermot Kinross
Actors and Sin
As Alfred O'Shea / Narrator (segment Actor's Blood)
Home Before Dark
As Arnold Bronn
Kidnapped
As Alan Breck
The Cabinet of Caligari
As Caligari / Paul
The Purple Mask
As Brisquet
'Fail-Safe' and the Cold War
As Self (archive footage)
The Blue Veil
As Hugh Williams
At Sword's Point
As Aramis Jr.
One Foot in Hell
As Sir Harry Ivers
A Terrible Beauty
As Don McGinnis
Bengal Brigade
As Capt. Ronald Blaine (as Daniel O'Herlihy)
MacArthur
As President Roosevelt
The Quest: The Longest Drive
As Mathew Hatcher
Operation Secret
As Lt. Duncan
Jennie: Lady Randolph Churchill
As Leonard Jerome
Waterloo
As Marshal Michel Ney
Deadly Game
As Colonel Edward Stryker
Soldiers Three
As Sgt.Murphy
The People
As Sol Diemus
The Whoopee Boys
As Judge Sternhill
A Waltz Through the Hills
As Uncle Tom
Death Ray 2000
As The Director
Good Against Evil
As Father Kemschler
Dark Mansions
As Alexander Drake
The Iroquois Trail
As Lt. Blakely
Artemis '81
As Albrecht Von Drachenfels
Hungry Hill
As Harry Brodrick
Sword of Venus
As Danglars
Hunters of the Deep
As Narrator
The Rat Pack
As Joe Kennedy
Revisiting 'Fail-Safe'
As Self
Banjo Hackett: Roamin' Free
As Tip Conaker
Murder, She Wrote
As Alexander Preston
L.A. Law
As Vernon Kepler
Colditz
As Lt. Col. Max Dodd
Remington Steele
As Charles Wellington
Trapper John, M.D.
The Bionic Woman
Hawaii Five-O
As Harry Wells
Twin Peaks
As Andrew Packard
VR.5
As Dr. Alloysius Hunnicutt
Route 66
The Travels of Jaimie McPheeters
As Dr. Sardius McPheeters
Charlie's Angels
As Freddie Brander
The Hardy Boys / Nancy Drew Mysteries
A Man Called Sloane
The Equalizer
As Randall Payne
Combat!
As Maj. Richter
General Electric Theater
The Ray Bradbury Theater
As Charles Braling
The Long, Hot Summer
Sam Benedict
Target: The Corruptors!
Rawhide
As John Cord
The High Chaparral
As Jake Lanier
Lux Video Theatre
As Alan
Schlitz Playhouse of Stars
Climax!
As Ian Hamilton
Bob Hope Presents the Chrysler Theatre
The Big Valley
As David Wyncop
Adventures in Paradise
As Colonel Tomlinson
Profiles in Courage
As Professor Richard T. Ely
Hondo
Ben Casey
Cavalcade of America
As Nathaniel Hawthorne
Dick Powell's Zane Grey Theatre
As Capt. Cleve Scott
Dr. Kildare
As Mark Addison
The Oscars
As Self
The Defenders
As Governor William Defoe
The DuPont Show with June Allyson
As David
Gibbsville
Jennie: Lady Randolph Churchill
As Leonard Jerome
Letter to Loretta
As Dave Hardy
Batman: The Animated Series
As Grant Walker (voice)
Mission: Impossible
As Jack Cole
Checkmate
As Stephen Jordan
Nancy Astor
As Chiswell 'Chillie' Langhorne
Screen Director's Playhouse
As Dr. Donald Kent
The Americans
As Colonel Fry
QB VII
As David Shawcross
Ironside
As Arthur Justin
The Alfred Hitchcock Hour
As Simon Carter
Battlestar Galactica
As Dr. Ravashol