 | Colin Morgan als Michael O'Hara |
 | Aml Ameen als Tempest |
 | Mark Strong als Holland |
 | Felicity Jones als Catherine |
 | Sophia Brown als Ruth |
 | Tom Vaughan-Lawlor als Keenan |
 | Will Keen als Woodville |
 | Mairéad Tyers als Carol |
 | Dara Devaney als Twomey |
 | Andrea Irvine als Fiadh |
 | Jack McMullen als Cole |
 | Steve Wall als Quinn |
 | Caolan Byrne als Hogan |
 | Stephen McMillan als Lynch |
 | Hywel Morgan als Uniformed Officer 2 |
 | Martin McCardie als Vet |
 | Desmond Edwards als Special Branch Detective |
| Marianne McIvor als Jeanette (uncredited) |
| Ronan Bennett | Writer |
| Charles Guard | Director |
| Charles Guard | Writer |
| Tom Guard | Writer |
| Chris Coen | Producer |
| Brian Coffey | Producer |
| Thorsten Schumacher | Producer |
| Julia Stuart | Executive Producer |
| Laura Grange | Executive Producer |
| Norman Merry | Executive Producer |
| Peter Hampden | Executive Producer |
| Steven P. Moysey | Novel |
| Max de Wardener | Original Music Composer |
| Mattias Rudh | Director of Photography |
| Ted Guard | Editor |
| Danny Jackson | Casting |
| Tom Sayer | Production Design |
| Tanya Miller | Art Direction |
| Elle Wilson | Costume Design |
| Anita Anderson | Hair Supervisor |
| Anita Anderson | Makeup Supervisor |
| Thi Thanh Tu Nguyen | Hair Designer |
| Thi Thanh Tu Nguyen | Makeup Designer |
| Ellie O'Brien | Makeup Artist |
| Franziska Roesslhuber | Makeup Artist |
| Franziska Roesslhuber | Hairstylist |
| Thomas Guard | Director |
| Arron Cuthbertson | Extras Casting |
