| Name | Character | Episodes |
|---|---|---|
| Aidan Gillen | Charles J. Haughey | 3 |
| Tom Vaughan-Lawlor | PJ Mara | 3 |
| Lucy Cohu | Terry Keane | 3 |
| Frances Tomelty | Sarah Haughey | 3 |
| Peter O'Meara | Brian Lenihan | 3 |
| Gavin O'Connor | Seán Doherty | 3 |
| Name | Character | Episodes |
|---|---|---|
| Aidan Gillen | Charles J. Haughey | 3 |
| Tom Vaughan-Lawlor | PJ Mara | 3 |
| Lucy Cohu | Terry Keane | 3 |
| Frances Tomelty | Sarah Haughey | 3 |
| Peter O'Meara | Brian Lenihan | 3 |
| Gavin O'Connor | Seán Doherty | 3 |