

Cast & creator
Best known for Twin Peaks, Murder, She Wrote, Murder, She Wrote
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.
Also known as: Daniel O'Herlihy, Daniel Peter O'Herlihy, دن اوهرلیهی
60
film credits
65
television credits
125
1947–2020 · acting roles
6.6
average across scored titles
Signature credits
Across film & television
Showing 125 of 125 credits

Andrew Packard
1990
Alexander Preston
1984
Denton Langley
1984
Harry Wells
1969
Vernon Kepler
1986
Arthur Justin
1967
Jack Cole
1966
Freddie Brander
1976
Grant Walker (voice)
1992
Ian Hamilton
1954
Mark Addison
1961
John Patrick McHenry
1961
Dr. Phillip Downey
1961
Mark Sloan
1961
Simon Carter
1962
Governor William Defoe
1961

Randall Payne
1985
John Cord
1959
Charles Wellington
1982
Maj. Richter
1962

David Wyncop
1965

Cleve Scott
1956
Jake Lanier
1967
Self
1953
Colonel Tomlinson
1959
Marcel Rudolph
1964
Capt. Rupert Oliver Morton
1964

Dr. Ravashol
1978
Charles Braling
1985
Stephen Jordan
1960
David
1959
Alan
1950Oliver Bradford
1950Henry
1950Trevelyan
1950
Nathaniel Hawthorne
1952
Benedict Arnold
1952
Hart Marbury
1962
Dr. Donald Kent
1955
Professor Richard T. Ely
1964
The Old Man
1987
Dave Hardy
1953
Colonel Fry
1961
Prof. Phineas Blackstone
1967
Conal Cochran
1982
Dr. Sardius McPheeters
1963
Lt. Col. Max Dodd
1972
The Old Man
1990
Dr. Alloysius Hunnicutt
1995
Leonard Jerome
1974

Archie Gordon
1974
Grig
1984

Dr. Paul Crowley
1953
Robert Burns
1953
Steven Grimes
1969


Chiswell 'Chillie' Langhorne
1982
Marshal Michel Ney
1970
Commando Captain (uncredited)
1951
David Shawcross
1974
David Edwards
1959
President Roosevelt
1977
Brig. Gen. Warren A. Black
1964
Professor John Tyler
1984
Prince Hal of Wales
1954
Macduff
1948
Mr. Browne
1987
Lord Derry
1955
Aramis Jr.
1952
Joe Kennedy
1998
Nolan
1947
Leonard Jerome
1974
Robinson Crusoe
1954
Fergus Stephenson
1974
Detective Phil Butler
1961
Judge Sternhill
1986
Hamilton Fisk
1993
Caligari / Paul
1962
Brisquet
1955
Sir Harry Ivers
1960
Sgt.Murphy
1951
Mathew Hatcher
1976
Tip Conaker
1976
Mr. Ohman
1952
J.D. Randall
1972
Arnold Bronn
1958
The Director
1981
Self (archive footage)
2020
Prof. David Garrow
1968
Charles Winthrop
1969
Lt. Blakely
1950
Father Kemschler
1977
Capt. Ronald Blaine (as Daniel O'Herlihy)
1954
Hugh Williams
1951
Don McGinnis
1960
Colonel Edward Stryker
1977
Self
2000
Judge Millard Isham
1959
Harry Brodrick
1947
Albrecht Von Drachenfels
1981
Danglars
1953
Duke
1948
Uncle Tom
1988
Alexander Drake
1986
Robin
1951
Sol Diemus
1972
Self
2000
Mark Twain
1979
Alan Breck
1948
Alfred O'Shea / Narrator (segment Actor's Blood)
1952
Lt. Duncan
1952
Dermot Kinross
1957
Narrator
1955
Dr. Keller
1957