| Production | Played by | Opening Night |
|---|---|---|
| Borstal Boy 1967 (Abbey) | Laffan, Patrick (Pat) | Tuesday, 10 October 1967 |
| Borstal Boy 1967 (Abbey) | O'Brien, Niall | Tuesday, 10 October 1967 |
| Borstal Boy 1968 (Abbey) | O'Brien, Niall | Monday, 5 February 1968 |
| Borstal Boy 1968 (Abbey) | O'Callaghan, Patrick (Paddy) | Thursday, 4 July 1968 |
| Borstal Boy 1969 (Abbey) | Laffan, Patrick (Pat) | Thursday, 27 March 1969 |
| Borstal Boy 1971 (Abbey) | O'Brien, Niall | Monday, 5 April 1971 |
| Borstal Boy 1971 (Abbey) | O'Brien, Niall | Monday, 31 May 1971 |
