| Series
| Role
| Episode
| Airdate
|
| Cheyenne (1955) | Marshal Moxon | 2x04 - The Bounty Killers | October 23, 1956
|
| Gunsmoke | Nick Search | 2x07 - How to Cure a Friend | November 10, 1956
|
| Cheyenne (1955) | Major Ellwood | 2x10 - Land Beyond the Law | January 15, 1957
|
| Gunsmoke | Fos Capper | 2x32 - Cheap Labor | May 4, 1957
|
| Wagon Train | Brady | 1x01 - The Willy Moran Story | September 18, 1957
|
| Have Gun - Will Travel | Daniel Weaver | 1x27 - The Teacher | March 15, 1958
|
| Cheyenne (1955) | Judge Granger Ward | 3x20 - The Angry Sky | June 17, 1958
|
| 77 Sunset Strip | Mr. Paradise | 1x33 - Mr. Paradise | May 22, 1959
|
| The Roaring 20's | David Lawrence | 1x06 - Brother's Keeper | November 19, 1960
|
| 77 Sunset Strip | Derek Fielding | 3x17 - The Hamlet Caper | January 6, 1961
|
| Cheyenne (1955) | Marshal Ben Delaney | 5x10 - The Frightened Town | March 20, 1961
|
| 77 Sunset Strip | Flint Dakota | 3x33 - The Celluloid Cowboy | April 28, 1961
|
| The DuPont Show of the Week | Ernest Hemingway (voice) | 1x03 - Hemingway | October 1, 1961
|
| 77 Sunset Strip | Eric Sommers | 4x26 - Baker Street Caper | March 16, 1962
|
| 77 Sunset Strip | Cal Calhoun | 4x39 - Upbeat | June 15, 1962
|
| Hawaiian Eye | Ralph Mason | 4x04 - The Broken Thread | October 23, 1962
|
| Hawaiian Eye | John Marriott | 4x14 - Maybe Menehunes | January 15, 1963
|
| 77 Sunset Strip | Charles B. Alderson | 5x30 - The Heartbeat Caper | May 3, 1963
|
| Dr. Kildare | Carl Quincy | 3x09 - Four Feet in the Morning | November 21, 1963
|
| Bonanza | Judge Knowlton | 5x14 - The Lila Conrad Story | January 5, 1964
|
| The DuPont Show of the Week | Ambassador Marshall | 3x21 - Ambassador at Large | August 30, 1964
|
| The Fugitive | Harlan | 2x17 - The End Is but the Beginning | January 12, 1965
|
| Gunsmoke | John Crail | 10x31 - Gilt Guilt | April 24, 1965
|
| The Big Valley | Wallent | 1x02 - Forty Rifles | September 22, 1965
|
| Twelve O'Clock High | Brigadier General Britt | 2x03 - Then Came the Mighty Hunter | September 27, 1965
|
| The Fugitive | Harry Andresen | 3x21 - Shadow of the Swan | February 8, 1966
|
| F Troop | Maj. Chester Winster | 1x21 - The New I.G. | February 8, 1966
|
| The F.B.I. | Chief of Police John Stanford | 1x31 - The Bomb That Walked Like a Man | May 1, 1966
|
| Twelve O'Clock High | Major General Britt | 3x04 - Fortress Weisbaden | September 30, 1966
|
| Twelve O'Clock High | Major General Britt | 3x12 - The Ace | December 9, 1966
|
| The F.B.I. | Lt. Frank Harris | 2x18 - A Question of Guilt | January 22, 1967
|
| The Big Valley | Senator Jud Robson | 2x21 - The Haunted Gun | February 6, 1967
|
| Run for Your Life | Lieutenant Jim Seaborne | 2x23 - The Assassin | February 26, 1967
|
| The F.B.I. | | 3x04 - Traitor | October 15, 1967
|
| Judd for the Defense | | 1x08 - Death from a Flower Girl | October 27, 1967
|
| Run for Your Life | James Seaborne | 3x15 - Fly by Night | December 22, 1967
|
| Hawaii Five-O | | pilot - Cocoon (1) | September 20, 1968
|
| Hawaii Five-O | | pilot (2) - Cocoon (2) | September 20, 1968
|
| Hawaii Five-O | | 3x06 - The Ransom | October 21, 1970
|
| The F.B.I. | Frank Conner | 6x19 - The Fatal Connection | January 31, 1971
|
| Ironside | Everett Ward | 4x21 - The Riddle in Room Six | February 25, 1971
|
| Mission: Impossible | Justin Bainbridge | 5x21 - A Ghost Story | February 27, 1971
|
| Cannon | Doc Temple | 1x06 - Fool's Gold | October 19, 1971
|
| Mannix | General Alex Holt | 5x11 - The Man Outside | November 24, 1971
|
| McMillan & Wife | Harlan Royce | 1x04 - Death Is a Seven Point Favorite | December 8, 1971
|
| The Streets of San Francisco | Capt. A.R. Malone | 1x01 - The Streets of San Francisco | September 16, 1972
|
| Cannon | Bill Coates | 2x12 - The Endangered Species | December 13, 1972
|
| McMillan & Wife | Frank Carstairs | 2x04 - Terror Times Two | December 13, 1972
|
| Kung Fu | Sheriff Boggs | 1x05 - The Tide | February 1, 1973
|
| Hawaii Five-O | Cliff Morgan | 6x19 - Death with Father | January 22, 1974
|
| Barnaby Jones | Bill Sanderson | 2x24 - Foul Play | March 31, 1974
|
| The Streets of San Francisco | Major General Robert 'Red' West | 3x03 - Target: Red | September 26, 1974
|
| McMillan & Wife | Ewing Webley | 4x02 - The Game of Survival | October 20, 1974
|
| Cannon | Dr. Laurence | 5x21 - Quasar Kill | February 4, 1976
|
| McMillan & Wife | Captain Robert Stiles | 5x07 - Point of Law | March 7, 1976
|
| The Bionic Woman | Deputy Director Bill Parr | 3x22 - On the Run | May 13, 1978
|
| Hawaii Five-O | | 11x01 - The Sleeper | September 28, 1978
|
| Lou Grant | Doc | 2x23 - Skids | April 2, 1979
|
| Hawaii Five-O | | 12x08 - Use a Gun, Go to Hell | November 29, 1979
|
| M*A*S*H | Col. Alvin Houlihan | 9x04 - Father's Day | December 8, 1980
|
| Charlie's Angels | Hackshaw | 5x08 - Moonshinin' Angels | January 24, 1981
|
| Hart to Hart | Loring Nichols | 4x16 - Bahama Bound Harts | February 22, 1983
|
| Falcon Crest | Paul Hartford | 4x03 - Strangers | October 12, 1984
|
| Falcon Crest | Paul Hartford | 4x04 - The Outcasts | October 19, 1984
|
| Falcon Crest | Paul Hartford | 4x06 - Lord of the Valley | November 2, 1984
|
| Falcon Crest | Paul Hartford | 4x17 - Acid Tests | January 25, 1985
|
| Matt Houston | | 3x19 - Company Secrets | February 15, 1985
|
| Highway to Heaven | Crawford | 1x22 - An Investment in Caring | March 13, 1985
|