| Series |  |
 |
|
|
|
|
|
|
| The Next Generation | 4 | 0 | 0 | 0 | 1 | 2 | 1 | 4.00 |
| Enterprise | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 3.00 |
| Total | 5 | 0 | 0 | 0 | 2 | 2 | 1 | 3.80 |
| Title | Role | Season episode | Airdate | Stardate | Year | Rating | |
| The Enemy | Commander Tomalak | 3 x 07 | 54 | 6 Nov 1989 | 43349.2 | 2366 |  |
| The Defector | Commander Tomalak | 3 x 10 | 57 | 1 Jan 1990 | 43462.5 | 2366 | |
| Future Imperfect | Future Tomalak | 4 x 08 | 81 | 12 Nov 1990 | 44286.5 | 2367 |  |
| All Good Things | Commander Tomalak | 7 x 25 | 176 | 23 May 1994 | 47988.1 | 2370 |  |
| Title | Role | Season episode | Airdate | Stardate | Year | Rating | |
| Cogenitor | Captain Drennik | 2 x 22 | 47 | 30 Apr 2003 | Unknown | 2153 | |
| © Graham & Ian Kennedy | Page views : 26,602 | Last updated : 18 Jun 2018 |
