| Production | Played by | Opening Night |
|---|---|---|
| Seadna 1969 (Abbey) | Laigleis, Deirdre | Friday, 26 December 1969 |
| Seadna 1969 (Abbey) | Mac Reachtain, Louis | Friday, 26 December 1969 |
| Seadna 1969 (Abbey) | de Stabaltun, Eamon | Friday, 26 December 1969 |
| Seadna 1969 (Abbey) | O Duinn, Sean | Friday, 26 December 1969 |
| Seadna 1969 (Abbey) | O Ceallaigh, Eoin | Friday, 26 December 1969 |
| Seadna 1969 (Abbey) | O Ceileachair, Donnacha | Friday, 26 December 1969 |
| Seadna 1969 (Abbey) | Turley, Graham | Friday, 26 December 1969 |
| Seadna 1969 (Abbey) | Ni Dhongaile, Terri | Friday, 26 December 1969 |
