| Series
| Role
| Episode
| Airdate
|
| Route 66 | Michael Ely | 3x07 - Across Walnuts and Wine | November 2, 1962
|
| Ben Casey | | 2x08 - And Even Death Shall Die | November 19, 1962
|
| Naked City (1958) | | 4x11 - Dust Devil on a Quiet Street | November 28, 1962
|
| The DuPont Show of the Week | Cadet Philip Cantrell | 2x08 - Mutiny | December 2, 1962
|
| Ben Casey | El Franklin | 3x20 - There Was Once a Man in the Land of Uz | January 22, 1964
|
| Dr. Kildare | Neal Tomlinson | 3x26 - Quid Pro Quo | March 26, 1964
|
| The Big Valley | Evan Miles | 1x08 - My Son, My Son | November 3, 1965
|
| Twelve O'Clock High | Karl Weigand | 2x18 - Underground | January 17, 1966
|
| The F.B.I. | Willard Smith | 1x20 - Quantico | January 30, 1966
|
| Star Trek: The Original Series | Charlie Evans | 1x02 - Charlie X | September 15, 1966
|
| Twelve O'Clock High | Master Sergeant Reiniger | 3x08 - The Pariah | November 4, 1966
|
| The Monroes (1966) | Quint Gregger | 1x21 - Killer Cougar | February 1, 1967
|
| Bonanza | Mark Cole | 9x07 - The Gentle Ones | October 29, 1967
|
| The F.B.I. | Paul Donald Thorpe | 3x22 - The Messenger | March 17, 1968
|
| Columbo | Neil Cahill | 3x06 - Mind Over Mayhem | February 18, 1974
|
| Cannon | Del Foxworth | 4x07 - The Avenger | October 30, 1974
|
| The Streets of San Francisco | Gene Watson | 3x21 - Asylum | February 20, 1975
|
| Quincy, M.E. | Peter Thorwall | 3x09 - The Hero Syndrome | November 18, 1977
|
The Six Million Dollar Man
(credited as Robert Walker, Jr.)
| Cloche | 5x19 - Date With Danger (1) | February 20, 1978
|
The Six Million Dollar Man
(credited as Robert Walker, Jr.)
| Cloche | 5x20 - Date With Danger (2) | February 27, 1978
|
| Charlie's Angels | Burt Marshall | 4x05 - Angels at the Altar | October 3, 1979
|
| The Fall Guy | Owen | 3x20 - Boom | March 7, 1984
|
| Dallas | Harding Devers | 9x13 - Goodbye, Farewell, and Amen | December 13, 1985
|
| Dallas | Harding Devers | 9x14 - Curiosity Killed the Cat | December 20, 1985
|
| Dallas | Harding Devers | 9x17 - The Deadly Game | January 17, 1986
|
| The Fall Guy | | 5x20 - Tag Team | April 4, 1986
|
| Murder, She Wrote | Otto Hardwick | 3x12 - The Corpse Flew First Class | January 18, 1987
|
| Murder, She Wrote | George Owens | 6x20 - Shear Madness | April 29, 1990
|
| In the Heat of the Night | Ray Garrett | 4x15 - Execution of Trust | January 15, 1991
|
| L.A. Law | | 5x16 - Good to the Last Drop | March 21, 1991
|
