| Production | Played by | Opening Night |
|---|---|---|
| The Lost O'Casey 2018 (Peacock) | Morris, Sarah | Monday, 25 June 2018 |
| The Lost O'Casey 2018 (Peacock) | O'Connor, Robbie | Monday, 25 June 2018 |
| The Lost O'Casey 2018 (Peacock) | Murphy, Michael Glenn | Monday, 25 June 2018 |
| The Lost O'Casey 2018 (Peacock) | Reilly, Thomas | Monday, 25 June 2018 |
| The Lost O'Casey 2018 (Peacock) | Heslin, Liam | Monday, 25 June 2018 |
| The Lost O'Casey 2018 (Peacock) | McCarthy, Gillian | Monday, 25 June 2018 |
| The Lost O'Casey 2018 (Peacock) | Monaghan, Daniel | Monday, 25 June 2018 |
