| Production | Played by | Opening Night |
|---|---|---|
| Diarmuid agus Grainne 1978 (Peacock) | O'Neill, Maire | Monday, 2 October 1978 |
| Diarmuid agus Grainne 1978 (Peacock) | O'Neill, Maire | Thursday, 26 October 1978 |
| Production | Played by | Opening Night |
|---|---|---|
| Diarmuid agus Grainne 1978 (Peacock) | O'Neill, Maire | Monday, 2 October 1978 |
| Diarmuid agus Grainne 1978 (Peacock) | O'Neill, Maire | Thursday, 26 October 1978 |