| Series
| Role
| Episode
| Airdate
|
| Gunsmoke | Bob Ranger | 19x18 - The Foundling | February 11, 1974
|
| Harry O | | 2x18 - Forbidden City | February 26, 1976
|
| Little House on the Prairie | | 2x18 - The Long Road Home | March 3, 1976
|
| Baa Baa Black Sheep | Lewis | 1x06 - Prisoners of War | October 12, 1976
|
| The Rockford Files | Walter Link | 3x06 - Coulter City Wildcat | November 12, 1976
|
| Starsky and Hutch | Dr. Hank Wachman, Psychiatrist | 2x17 - The Set-Up (2) | January 29, 1977
|
| The Streets of San Francisco | Lt. Carson | 5x23 - Time Out | June 2, 1977
|
| The Rockford Files | Knute Jacobs | 4x09 - The Mayor's Committee from Deer Lick Falls | November 25, 1977
|
| Baretta | | 4x18 - The Appointment | March 9, 1978
|
| Little House on the Prairie | Slade | 5x23 - Mortal Mission | March 12, 1979
|
| The Rockford Files | Mayor Sindell | 6x12 - Deadlock in Parma | January 10, 1980
|
| Dallas | Elroy Askew | 4x13 - Making of a President | January 30, 1981
|
| The Incredible Hulk | Sheriff Dean | 5x04 - Sanctuary | November 6, 1981
|
| Scarecrow and Mrs. King | Crandall | 1x09 - Sudden Death | December 5, 1983
|
| Highway to Heaven | Tim Higgins | 1x05 - Song of the Wild West | October 17, 1984
|
| Remington Steele | Lowell MacKenzie | 3x07 - A Pocketful of Steele | November 20, 1984
|
| Miami Vice | CIA Agent Hardin | 2x09 - Bushido | November 22, 1985
|
| The Golden Girls | Professor Cooper | 1x20 - Adult Education | February 22, 1986
|
| L.A. Law | D.A. Malcolm Gold | 1x01 - Pilot | September 15, 1986
|
| L.A. Law | D.A. Malcolm Gold | 1x11 - El Sid | December 11, 1986
|
| Dallas | Judge Loeb | 10x23 - The Ten Percent Solution | March 13, 1987
|
| Star Trek: The Next Generation | Radue | 1x17 - When the Bough Breaks | February 15, 1988
|
| L.A. Law | Malcolm Gold | 3x14 - Leave It to Geezer | March 30, 1989
|
| The Golden Girls | Gary | 4x21 - Little Sister | April 1, 1989
|
| L.A. Law | Malcolm Gold | 4x22 - The Last Gasp | May 17, 1990
|
| Matlock | Avery Campbell | 5x12 - The Broker | December 4, 1990
|
| L.A. Law | Malcolm Gold | 5x18 - As God Is My Co-Defendant | April 4, 1991
|
| Quantum Leap | Ed Saxton | 4x17 - Roberto! | March 11, 1992
|
| L.A. Law | Malcolm Gold | 6x16 - From Here to Paternity | March 26, 1992
|
| Star Trek: The Next Generation | Samuel Clemens | 5x26 - Time's Arrow (1) | June 15, 1992
|
| Picket Fences | Dave Toovey | 1x05 - Frank the Potato Man | October 23, 1992
|
| Mad About You | Al the Client | 1x13 - Togetherness | January 13, 1993
|
| The X-Files | Deep Throat | 1x02 - Deep Throat | September 17, 1993
|
| Dr. Quinn, Medicine Woman | Dr. Cassidy | 2x01 - The Race | September 25, 1993
|
| The X-Files | Deep Throat | 1x07 - Ghost in the Machine | October 29, 1993
|
| Lois & Clark: The New Adventures of Superman | Wayne Irig | 1x09 - The Green, Green Glow of Home | November 14, 1993
|
| Murder, She Wrote | Hamish McPherson | 10x11 - Northern Explosion | January 2, 1994
|
| The X-Files | Deep Throat | 1x17 - E.B.E. | February 18, 1994
|
| Murder, She Wrote | Norman Gilford | 11x01 - A Nest of Vipers | September 25, 1994
|
| Melrose Place | Dennis Carter | 3x03 - In-Laws and Outlaws | September 26, 1994
|
| Melrose Place | Dennis Carter | 3x04 - Grand Delusions | October 3, 1994
|
| Melrose Place | Dennis Carter | 3x10 - And Justice for None | November 14, 1994
|
| Melrose Place | Dennis Carter | 3x19 - They Shoot Mothers, Don't They? (2) | January 16, 1995
|
| Star Trek: Voyager | Dr. Neria | 1x09 - Emanations | March 13, 1995
|
| Murphy Brown | Colonel Sherwood | 8x12 - All in the Family | January 8, 1996
|
| Dr. Quinn, Medicine Woman | Dr. Cassidy | 4x16 - Dead or Alive (1) | February 3, 1996
|
| Dr. Quinn, Medicine Woman | Dr. Cassidy | 4x17 - Dead or Alive (2) | February 10, 1996
|
| Murder, She Wrote | Tom Sampson | 12x22 - What You Don't Know Can Kill You | May 5, 1996
|
| The X-Files | Deep Throat | 3x24 - Talitha Cumi (1) | May 17, 1996
|
| Dr. Quinn, Medicine Woman | Dr. Cassidy | 5x03 - Malpractice | October 5, 1996
|
| The X-Files | Deep Throat | 4x07 - Musings of a Cigarette-Smoking Man | November 17, 1996
|
| JAG | Mechanic | 2x08 - Full Engagement | February 21, 1997
|
| Ally McBeal | Minister | 1x04 - The Affair | September 29, 1997
|
| JAG | Senator | 3x09 - Impact | November 18, 1997
|
| Dr. Quinn, Medicine Woman | Doctor On Reviewing Board | 6x21 - The Fight | May 9, 1998
|
| Caroline in the City | Sheriff Dohdig | 4x11 - Caroline and the Fright Before Christmas | December 21, 1998
|
| Sliders | Isaac Clark | 4x22 - Revelations | April 23, 1999
|
| The X-Files | Deep Throat | 7x02 - The Sixth Extinction II: Amor Fati (3) | November 14, 1999
|
| Family Law | Judge Kevin Donati | 3x09 - No Options | November 19, 2001
|
| Still Standing | Grinds | 2x14 - Still Bill's Dad | February 9, 2004
|
| Crossing Jordan | | 4x09 - Necessary Risks | November 21, 2004
|
| Cold Case | Harry Hapgood '09 | 6x14 - The Brush Man | January 25, 2009
|
