 | Seána Kerslake als Sarah O'Neill |
 | James Quinn Markey als Chris O'Neill |
 | Simone Kirby als Louise Caul |
 | Steve Wall als Rob Caul |
 | Eoin Macken als Jay Caul |
 | Sarah Hanly als Lil Jones |
 | James Cosmo als Des Brady |
 | Kati Outinen als Noreen Brady |
| Bennett Andrew als Doctor |
 | David Crowley als Teacher |
 | John Quinn als Detective |
| Miro Lopperi als "It" |
| Stephen Shields | Screenplay |
| Lee Cronin | Screenplay |
| Lee Cronin | Director |
| Tom Harberd | Associate Producer |
| Lesley McKimm | Executive Producer |
| Sharon Doyle | Makeup Designer |
| Conor Barry | Producer |
| Phil Hunt | Executive Producer |
| Stephen Kelliher | Executive Producer |
| Colin Campbell | Editor |
| Conor Dennison | Production Design |
| John McHale | Art Direction |
| Patrick O'Neill | Executive Producer |
| Compton Ross | Executive Producer |
| Salla Yli-Luopa | Makeup Department Head |
| Hilary Davis | Executive Producer |
| Catherine O'Flaherty | Line Producer |
| Ulla Simonen | Co-Producer |
| Donna Eperon | Line Producer |
| Thyrza Ging | Casting |
| Saija Siekkinen | Costume Design |
| Benoît Roland | Co-Producer |
| Louise Kiely | Casting |
| Macdara Kelleher | Executive Producer |
| John Keville | Producer |
| Philippe Logie | Associate Producer |
| Tom Comerford | Director of Photography |
| Stephen McKeon | Original Music Composer |
| Eimear O'Grady | Stunt Double |
| Brendan Condren | Stunt Coordinator |
| Torin Condren | Stunt Double |
| Orlaith Doherty | Stunt Double |
| Eimear O'Grady | Stunts |
| Orlaith Doherty | Stunts |
| Salla Yli-Luopa | Makeup Designer |
| Salla Yli-Luopa | Hair Designer |
| Quentin Collette | Sound |
| Jeroen Truijens | Sound |
| Philippe Charbonnel | Sound |
| Kathleen Weir | Script Supervisor |
| Sophie Tebbitt | Production Accountant |
| Eoin Holohan | Location Manager |
| Martin Maguire | Still Photographer |
| Quentin Collette | Supervising Sound Editor |
| Elsa Ruhlmann | Dialogue Editor |
| Philippe Charbonnel | Sound Re-Recording Mixer |
| Céline Bernard | Foley Artist |
| Caroline Landsweerdt | Foley Editor |
| Quentin Collette | ADR Recordist |
| Micke Nyström | ADR Recordist |
| Tristan Rose | ADR Recordist |
| Garret Farrell | ADR Recordist |
| Michelle Fingleton | ADR Recordist |
| Tara Finegan | Executive Producer |
| Emma Moffat | Assistant Makeup Artist |
