| Series
| Role
| Episode
| Airdate
|
| Gunsmoke | Joe Delk | 2x34 - Who Lives by the Sword | May 18, 1957
|
| Have Gun - Will Travel | Bart Holgate | 1x05 - A Matter of Ethics | October 12, 1957
|
| Have Gun - Will Travel | Samuel Abajinian | 1x16 - Helen of Abajinian | December 28, 1957
|
| Cheyenne (1955) | Rare Larkin | 3x09 - The Last Comanchero | January 14, 1958
|
The Rifleman
(credited as Harold Stone)
| Oat Jackford | 1x02 - Home Ranch | October 7, 1958
|
| Gunsmoke | Judge Rambeau | 4x05 - Letter of the Law | October 11, 1958
|
| Sugarfoot | Galt Kimberly | 2x07 - Yampa Crossing | December 9, 1958
|
| 77 Sunset Strip | Lou Catto | 1x10 - Vicious Circle | December 12, 1958
|
| Bat Masterson | Jess Hobart | 1x26 - Man of Action | April 22, 1959
|
| Gunsmoke | Jim Gatluf | 4x33 - Buffalo Hunter | May 2, 1959
|
| The Rifleman | Benjamin Stark | 3x01 - Trail of Hate | September 27, 1960
|
| Wanted: Dead or Alive | Harry Simmons | 3x02 - The Cure | September 28, 1960
|
| The Untouchables (1959) | Charlie "Pops" Felcher / Alexander Pondas | 2x01 - The Rusty Heller Story | October 13, 1960
|
| Laramie | Sam Bronson | 2x07 - The Dark Trail | November 1, 1960
|
| Rawhide | Mesa | 3x04 - Incident of the Night Visitor | November 4, 1960
|
| The Untouchables (1959) | Tommy Karpeles | 2x11 - The Tommy Karpeles Story | December 29, 1960
|
| Route 66 | Lt. Mangano | 1x14 - Play It Glissando | January 20, 1961
|
| Have Gun - Will Travel | Judge Greenleaf | 4x25 - The Last Judgement | March 11, 1961
|
| Surfside 6 | Harry Wilde | 1x24 - The Impractical Joker | March 13, 1961
|
| The Untouchables (1959) | Barney Jarreau | 2x24 - Ring of Terror | April 13, 1961
|
| The Barbara Stanwyck Show | Jake Lytell | 1x29 - Frightened Doll | April 24, 1961
|
| Route 66 | Gus | 1x26 - A Skill for Hunting | May 12, 1961
|
| The Twilight Zone | Grant Sheckly | 3x02 - The Arrival | September 22, 1961
|
Gunsmoke
(credited as Harold Stone)
| Horace | 7x03 - Miss Kitty | October 14, 1961
|
| The New Breed | George Sorens | 1x05 - The Compulsion to Confess | October 31, 1961
|
| Cain's Hundred | Dave Braddock | 1x09 - Dead Load | November 21, 1961
|
| Target: The Corruptors | | 1x11 - Silent Partner | December 8, 1961
|
| The Untouchables (1959) | Mr. Adam Stone | 3x10 - Hammerlock | December 21, 1961
|
| Target: The Corruptors | Al Deus | 1x17 - Play It Blue | January 19, 1962
|
| 87th Precinct | Gantry | 1x20 - A Bullet for Katie | February 12, 1962
|
| Cain's Hundred | Marty Emson | 1x24 - Savage in Darkness | March 27, 1962
|
| The Detectives (1959) | Fred Forrest | 3x24 - Three Blind Mice (1) | March 30, 1962
|
| The Detectives (1959) | Fred Forrest | 3x25 - Three Blind Mice (2) | April 6, 1962
|
| Target: The Corruptors | Allie Janowitz | 1x30 - License to Steal | May 4, 1962
|
| The Untouchables (1959) | Louie "The Bear" Madikoff | 3x26 - Pressure | June 14, 1962
|
| Rawhide | Harry Maxton | 5x15 - Incident at the Trail's End | January 11, 1963
|
| Empire (1962) | Gerald Wormser | 1x20 - The Tiger Inside | February 12, 1963
|
| Ben Casey | Reb Sholem Isaacs | 2x20 - A Hundred More Pipers | February 18, 1963
|
| The Rifleman | Marshall | 5x21 - The Bullet | February 25, 1963
|
| Dr. Kildare | Mr. Krolik | 2x21 - A Place Among the Monuments | February 28, 1963
|
| The Untouchables (1959) | Julian "Jules" Flack | 4x24 - One Last Killing | April 2, 1963
|
| 77 Sunset Strip | Lt. John Frazier | 6x10 - Deposit with Caution | November 29, 1963
|
| The Nurses (1962) | Elihu Kaminsky | 2x21 - Nurse Is a Feminine Noun | February 13, 1964
|
| Gunsmoke | Orval Bass | 9x34 - Homecoming | May 23, 1964
|
| Bonanza | Chad | 6x02 - The Hostage | September 27, 1964
|
| Daniel Boone | Greenbriar | 1x04 - The Family Fluellen | October 22, 1964
|
| Gunsmoke | Jim Downey | 10x08 - Hung High | November 14, 1964
|
| Dr. Kildare | Joseph Patrick Burns | 4x12 - Catch a Crooked Mouse | December 17, 1964
|
| The Nurses (1962) | Elihu Kaminsky | 3x23 - Where There's Smoke | March 9, 1965
|
| Gunsmoke | Jeff Sutro | 10x36 - He Who Steals | May 29, 1965
|
| Run for Your Life | Angie Zeno | 1x08 - The Savage Season | November 8, 1965
|
| The Big Valley | Sam | 1x19 - Teacher of Outlaws | February 2, 1966
|
| Get Smart | Captain Groman | 1x27 - Ship of Spies (1) | April 2, 1966
|
| Get Smart | Captain Groman | 1x28 - Ship of Spies (2) | April 9, 1966
|
| The Iron Horse | Josh Wyatt | 2x10 - Steel Chain to a Music Box | November 18, 1967
|
| The Felony Squad | Joe Stengl | 2x13 - An Arrangement with Death (1) | December 11, 1967
|
| The Felony Squad | Joe Stengl | 2x14 - An Arrangement with Death (2) | December 18, 1967
|
| Ironside | Jim Connolly | 1x16 - Force of Arms | January 4, 1968
|
| Hawaii Five-O | D. J. Georgiade | 1x03 - Tiger by the Tail | October 10, 1968
|
| Mannix | Judge Green | 2x03 - Pressure Point | October 12, 1968
|
| Hogan's Heroes | Major Teppel | 4x11 - Bad Day in Berlin | December 7, 1968
|
| The F.B.I. | Inky Cober | 4x25 - The Cober List | March 23, 1969
|
| Hogan's Heroes | Field Marshal Rudolf Richter | 5x10 - The Defector | November 28, 1969
|
| The Bold Ones: The New Doctors | | 2x06 - A Matter of Priorities | January 3, 1971
|
| Hogan's Heroes | General Strommberger | 6x23 - Look at the Pretty Snowflakes | March 21, 1971
|
| Mission: Impossible | John Lawton | 6x01 - Blind | September 18, 1971
|
| Ironside | Babe | 7x11 - The Hidden Man | November 29, 1973
|
| The Rockford Files | Sorrell, underworld boss | 1x03 - The Countess | September 27, 1974
|
| Ironside | | 8x04 - Trial of Terror | October 3, 1974
|
| Harry O | | 2x01 - Anatomy of a Frame | September 11, 1975
|
| Police Woman | | 2x04 - Pattern for Evil | October 3, 1975
|
| Welcome Back, Kotter | Charlie Kotter | 2x16 - Kotter and Son | January 20, 1977
|
| Charlie's Angels | John Strauss | 1x21 - Angels at Sea | March 23, 1977
|
| Barney Miller | Mr. Siegel | 5x01 - Kidnapping (1) | September 14, 1978
|
| Three's Company | Bernie Bustamente | 4x10 - The Loan Shark | November 20, 1979
|
| Barney Miller | Steven Haddad | 7x01 - Homicide (1) | October 30, 1980
|
| Barney Miller | Steven Haddad | 7x02 - Homicide (2) | November 6, 1980
|
| Trapper John, M.D. | Mr. Santori | 2x06 - Straight and Narrow | January 11, 1981
|
| Charlie's Angels | Joe Fenell | 5x09 - He Married an Angel | January 31, 1981
|
| Lou Grant | Fred Gruber | 5x18 - Law | April 12, 1982
|
| Simon & Simon | Ty Becker | 3x21 - The Dillinger Print | March 8, 1984
|
| Highway to Heaven | Harvey Milsap | 2x14 - Close Encounters of the Heavenly Kind | January 15, 1986
|
