| Production | Played by | Opening Night |
|---|---|---|
| Galileo 1965 (Abbey) | O'Brien, Niall | Tuesday, 21 September 1965 |
| Galileo 1965 (Abbey) | Buggy, Niall | Tuesday, 21 September 1965 |
| Galileo 1965 (Abbey) | Grimes, Frank | Tuesday, 21 September 1965 |
| Galileo 1965 (Abbey) | Mac Dhaibhidh, Deasuin | Tuesday, 21 September 1965 |
| Galileo 1965 (Abbey) | Mac Dhaibhidh, Deasuin | Tuesday, 5 October 1965 |
| Galileo 1965 (Abbey) | Grimes, Frank | Tuesday, 5 October 1965 |
| Galileo 1965 (Abbey) | O'Brien, Niall | Tuesday, 5 October 1965 |
| Galileo 1965 (Abbey) | Buggy, Niall | Tuesday, 5 October 1965 |
| Galileo 1965 (Abbey) | Buggy, Niall | Monday, 25 October 1965 |
| Galileo 1965 (Abbey) | Mac Dhaibhidh, Deasuin | Monday, 25 October 1965 |
| Galileo 1965 (Abbey) | Grimes, Frank | Monday, 25 October 1965 |
| Galileo 1965 (Abbey) | O'Brien, Niall | Monday, 25 October 1965 |
