| Series
| Role
| Episode
| Airdate
|
| Naked City (1958) | | 1x02 - Nickel Ride | October 7, 1958
|
| Surfside 6 | Mayor White | 1x18 - Thieves Among Honor | January 30, 1961
|
The Untouchables (1959)
(credited as Harry Holcombe, Jr.)
| Capt. Roberts | 2x16 - The Jamaica Ginger Story | February 2, 1961
|
| 77 Sunset Strip | Dr. John Carver | 3x26 - The Space Caper | March 10, 1961
|
| Cheyenne (1955) | Major Prewitt | 5x11 - Lone Patrol | April 10, 1961
|
| Hennesey | William Hale | 3x05 - My Daughter, the Nurse | October 23, 1961
|
| 77 Sunset Strip | Ben Harvey | 4x22 - The Bel Air Hermit | February 16, 1962
|
| The Donna Reed Show | Paul Smith | 4x33 - Donna Meets Roberta | May 3, 1962
|
| Hennesey | William Hale | 3x32 - I Thee Wed | May 7, 1962
|
| The New Breed | | 1x35 - So Dark the Night | May 29, 1962
|
| 77 Sunset Strip | Capt. Reynolds | 4x37 - Framework for a Badge | June 1, 1962
|
| Surfside 6 | Charles Martin | 2x39 - House on Boca Key | June 18, 1962
|
| The Real McCoys | Harry Johnson | 6x03 - Army Reunion | October 14, 1962
|
| Hawaiian Eye | Arnold Mathes, Sr. | 4x03 - There'll Be Some Changes Made | October 16, 1962
|
| 77 Sunset Strip | Manager | 5x28 - Walk Among Tigers | April 19, 1963
|
| Perry Mason | Senator Deering | 6x28 - The Case of the Witless Witness | May 16, 1963
|
| Bewitched | Charlie Godfrey | 1x18 - The Cat's Meow | January 21, 1965
|
| My Mother the Car | Doc Benson | 1x07 - Lights, Camera, Mother | October 26, 1965
|
| My Mother the Car | Doc Gillespie | 1x08 - The Captain Manzini Grand Prix | November 2, 1965
|
| My Mother the Car | Doc Benson | 1x10 - My Son, the Ventriloquist | November 16, 1965
|
| My Mother the Car | Doc Benson | 1x13 - For Whom the Horn Honks | December 7, 1965
|
| My Mother the Car | Doc Benson | 1x17 - I Remember Mama, Why Can't You Remember Me? | January 4, 1966
|
The Andy Griffith Show
(credited as Harry Holcomb)
| Warden Nix | 6x18 - The Legend of Barney Fife | January 17, 1966
|
| Bewitched | J.T. Glendon | 2x22 - Samantha the Dressmaker | February 24, 1966
|
Batman (1966)
(credited as Harry Holcomb)
| Mr. Andrews | 1x19 - The Purr-Fect Crime (1) | March 16, 1966
|
| Bewitched | Judge | 3x13 - My Friend Ben | December 8, 1966
|
| Bewitched | Judge | 3x14 - Samantha for the Defense | December 15, 1966
|
| Bonanza | Dr. Martin | 10x18 - Erin | January 26, 1969
|
| Bonanza | Dr. Lewis | 10x25 - Emily | March 23, 1969
|
| Bonanza | Dr. Martin | 10x27 - The Unwanted | April 6, 1969
|
| Bonanza | Dr. Martin | 10x30 - A Ride in the Sun | May 11, 1969
|
| Bonanza | Dr. Martin | 11x08 - The Stalker | November 2, 1969
|
| Bonanza | Doctor | 11x28 - A Matter of Circumstance | April 19, 1970
|
| Bonanza | Dr. Martin | 12x03 - The Weary Willies | September 27, 1970
|
| Bonanza | Dr. Martin | 12x11 - The Luck of Pepper Shannon | November 22, 1970
|
| Bonanza | Dr. Martin | 12x14 - For a Young Lady | December 27, 1970
|
| Bonanza | Dr. Martin | 12x22 - The Silent Killer | February 28, 1971
|
| Bonanza | Dr. Martin | 12x24 - The Stillness Within | March 14, 1971
|
| Bonanza | Dr. Martin | 13x06 - Cassie | October 24, 1971
|
| Room 222 | | 3x18 - We Hold These Truths... | January 28, 1972
|
| Bonanza | Dr. Martin | 13x22 - He Was Only Seven | March 5, 1972
|
| Bonanza | Dr. Martin | 13x26 - One Ace Too Many | April 2, 1972
|
| Bonanza | Dr. Martin | 14x10 - The Hidden Enemy | November 28, 1972
|
| Bonanza | Dr. Martin | 14x11 - The Sound of Sadness | December 5, 1972
|
| Laverne & Shirley | Judge | 3x04 - Robot Lawsuit | October 25, 1977
|
