| Series |  |
 |
|
|
|
|
|
|
| The Original Series | 4 | 0 | 1 | 1 | 0 | 1 | 1 | 3.00 |
| Total | 4 | 0 | 1 | 1 | 0 | 1 | 1 | 3.00 |
| Title | Role | Season episode | Airdate | Stardate | Year | Rating | |
| Balance of Terror | Engineer | 1 x 09 | 9 | 15 Dec 1966 | 1709.2 | 2266 |  |
| The Return of the Archons | Lieutenant O'Neil | 1 x 23 | 23 | 9 Feb 1967 | 3156.2 | 2267 |  |
| The Ultimate Computer | Ensign Harper | 2 x 24 | 54 | 8 Mar 1968 | 4729.4 | 2268 |  |
| The Tholian Web | Lieutenant O'Neil | 3 x 09 | 65 | 15 Nov 1968 | 5693.2 | 2268 |  |
| © Graham & Ian Kennedy | Page views : 13,883 | Last updated : 20 Jan 2023 |
