2020
'Fail-Safe' and the Cold War as Self (archive footage)2000
Revisiting 'Fail-Safe' as Self2000
Buñuel in Hollywood as Self1998
The Rat Pack as Joe Kennedy1995
VR.5 as Dr. Alloysius Hunnicutt1993
Love, Cheat & Steal as Hamilton Fisk1992
Batman: The Animated Series as Grant Walker (voice)1990
Twin Peaks as Andrew Packard1990
RoboCop 2 as The Old Man1988
A Waltz Through the Hills as Uncle Tom1987
RoboCop as The Old Man1987
The Dead as Mr. Browne1986
L.A. Law as Vernon Kepler1986
The Whoopee Boys as Judge Sternhill1986
Dark Mansions as Alexander Drake1985
The Equalizer as Randall Payne1985
The Ray Bradbury Theater as Charles Braling1984
Murder, She Wrote as Alexander Preston1984
Murder, She Wrote as Denton Langley1984
The Last Starfighter as Grig1982
Remington Steele as Charles Wellington1982
Halloween III: Season of the Witch as Conal Cochran1982
Nancy Astor as Chiswell 'Chillie' Langhorne1981
Artemis '81 as Albrecht Von Drachenfels1981
Death Ray 2000 as The Director1979
Trapper John, M.D. as Not available1979
A Man Called Sloane as Not available1979
Mark Twain: Beneath the Laughter as Mark Twain1978
Battlestar Galactica as Dr. Ravashol1977
The Hardy Boys / Nancy Drew Mysteries as Not available1977
MacArthur as President Roosevelt1977
Good Against Evil as Father Kemschler1977
Deadly Game as Colonel Edward Stryker1976
Charlie's Angels as Freddie Brander1976
The Bionic Woman as Not available1976
Gibbsville as Not available1976
The Quest: The Longest Drive as Mathew Hatcher1976
Banjo Hackett: Roamin' Free as Tip Conaker1974
QB VII as David Shawcross1974
Jennie: Lady Randolph Churchill as Leonard Jerome1974
The Tamarind Seed as Fergus Stephenson1974
Jennie: Lady Randolph Churchill as Leonard Jerome1972
Colditz as Lt. Col. Max Dodd1972
The Carey Treatment as J.D. Randall1972
The People as Sol Diemus1970
Waterloo as Marshal Michel Ney1969
100 Rifles as Steven Grimes1969
The Big Cube as Charles Winthrop1968
Hawaii Five-O as Harry Wells1967
Ironside as Arthur Justin1967
The High Chaparral as Jake Lanier1967
Hondo as Not available1966
Mission: Impossible as Jack Cole1965
The Big Valley as David Wyncop1965
The Long, Hot Summer as Not available1964
Profiles in Courage as Professor Richard T. Ely1964
Fail Safe as Brig. Gen. Warren A. Black1963
Bob Hope Presents the Chrysler Theatre as Not available1963
The Travels of Jaimie McPheeters as Dr. Sardius McPheeters1962
The Alfred Hitchcock Hour as Simon Carter1962
Combat! as Maj. Richter1962
Sam Benedict as Hart Marbury1962
The Cabinet of Caligari as Caligari / Paul1961
Dr. Kildare as Mark Addison1961
Dr. Kildare as John Patrick McHenry1961
Dr. Kildare as Dr. Phillip Downey1961
Dr. Kildare as Mark Sloan1961
Ben Casey as Not available1961
The Defenders as Governor William Defoe1961
Target: The Corruptors! as Not available1961
The Americans as Colonel Fry1961
King of the Roaring 20's – The Story of Arnold Rothstein as Detective Phil Butler1960
Route 66 as Not available1960
Checkmate as Stephen Jordan1960
A Terrible Beauty as Don McGinnis1960
One Foot in Hell as Sir Harry Ivers1959
The DuPont Show with June Allyson as David1959
Adventures in Paradise as Colonel Tomlinson1959
Rawhide as John Cord1959
Imitation of Life as David Edwards1959
The Young Land as Judge Millard Isham1958
Home Before Dark as Arnold Bronn1957
That Woman Opposite as Dermot Kinross1956
Dick Powell's Zane Grey Theatre as Capt. Cleve Scott1955
Screen Director's Playhouse as Dr. Donald Kent1955
The Purple Mask as Brisquet1955
The Virgin Queen as Lord Derry1955
Hunters of the Deep as Narrator1954
Climax! as Ian Hamilton1954
Robinson Crusoe as Robinson Crusoe1954
The Black Shield of Falworth as Prince Hal of Wales1954
Bengal Brigade as Capt. Ronald Blaine (as Daniel O'Herlihy)1953
The Oscars as Self1953
Letter to Loretta as Dave Hardy1953
General Electric Theater as Not available1953
General Electric Theater as Dr. Paul Crowley1953
General Electric Theater as Robert Burns1953
Sword of Venus as Danglars1952
Cavalcade of America as Nathaniel Hawthorne1952
Cavalcade of America as Benedict Arnold1952
Invasion, U.S.A. as Mr. Ohman1952
At Sword's Point as Aramis Jr.1952
Operation Secret as Lt. Duncan1952
Actors and Sin as Alfred O'Shea / Narrator (segment Actor's Blood)1951
Schlitz Playhouse of Stars as Not available1951
The Desert Fox: The Story of Rommel as Commando Captain (uncredited)1951
The Blue Veil as Hugh Williams1951
Soldiers Three as Sgt.Murphy1951
The Highwayman as Not available1950
Lux Video Theatre as Alan1950
Lux Video Theatre as Oliver Bradford1950
Lux Video Theatre as Henry1950
Lux Video Theatre as Trevelyan1950
The Iroquois Trail as Lt. Blakely1948
Macbeth as Macduff1948
Kidnapped as Alan Breck1948
Larceny as Duke1947
Odd Man Out as Nolan1947
Hungry Hill as Harry Brodrick