| Production | Played by | Opening Night |
|---|---|---|
| Borstal Boy 1969 (Abbey) | Ó Briain, Micheál | Thursday, 27 March 1969 |
| Borstal Boy 1971 (Abbey) | Duffy, Michael | Monday, 5 April 1971 |
| Borstal Boy 1971 (Abbey) | Duffy, Michael | Monday, 31 May 1971 |
| Production | Played by | Opening Night |
|---|---|---|
| Borstal Boy 1969 (Abbey) | Ó Briain, Micheál | Thursday, 27 March 1969 |
| Borstal Boy 1971 (Abbey) | Duffy, Michael | Monday, 5 April 1971 |
| Borstal Boy 1971 (Abbey) | Duffy, Michael | Monday, 31 May 1971 |