| Series
| Role
| Episode
| Airdate
|
| Barnaby Jones | Hans Mueller | 7x18 - The Protectors | February 1, 1979
|
| Lou Grant | Bovic | 2x22 - Bomb | March 26, 1979
|
| The Greatest American Hero | | 2x16 - It's All Downhill From Here | March 3, 1982
|
| Knight Rider | Fredo Lureni | 4x09 - Knight Racer | November 29, 1985
|
| Scarecrow and Mrs. King | Himself | 3x22 - All the World's a Stage | May 12, 1986
|
| Hunter | Craig Borson | 3x02 - Change Partners and Dance | October 4, 1986
|
| Northern Exposure | Reinhard Shoulder | 3x16 - Three Amigos | March 2, 1992
|
| Alias | Jeroen Schiller | 1x05 - Doppelgänger | October 28, 2001
|
| NCIS | | 1x10 - Left for Dead | January 6, 2004
|
| ER | Dr. Adler | 11x06 - Time of Death | November 11, 2004
|
| Ghost Whisperer | Patrick Roth | 2x09 - The Curse of the Ninth | November 17, 2006
|
