| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Audrey Cooke | Crew | Directing | Director | 3 |
Donal O'Farrell | Crew | Crew | Stunt Coordinator | 1 |
 Pete Travis | Crew | Directing | Director | 4 |
Jon East | Crew | Directing | Director | 3 |
Ruth Barrett | Crew | Sound | Original Music Composer | 10 |
Matt Sherren | Crew | Crew | Stunts | 1 |
Lucy McCutcheon | Crew | Production | Production Coordinator | 4 |
Rebecca Hogg | Crew | Production | Assistant Production Coordinator | 4 |
Chris Brandon | Crew | Writing | Writer, Creator | 10 |
Martin Ainscough | Crew | Production | Production Accountant | 4 |
Jack McShane | Crew | Production | Production Runner | 4 |
Brian Devlin | Cast | Mr. Ford | 1 | |
 Dan Gordon | Cast | Actor | Noel Timoney | 3 |
 Don Wycherley | Cast | Actor | AJ Boyd | 3 |
 Flora Montgomery | Cast | Actress | McCallister | 1 |
 Ian McElhinney | Cast | Actor | Adam Corry | 3 |
 James Nesbitt | Cast | Actor | DCI Tom Brannick | 10 |
 Lisa Dwan | Cast | Actress | Tori Matthews | 4 |
 Lorcan Cranitch | Cast | Actor | DCS Jackie Twomey | 10 |
 Michael Smiley | Cast | Actor | Dinger | 3 |
 Peter Ballance | Cast | Actor | Pat Keenan | 3 |
Richard Croxford | Cast | Yacht Club Secretary | 1 | |
 Stella McCusker | Cast | Actress | Valerie | 2 |
 Susan Lynch | Cast | Actress | Heather Pentland | 1 |
 Valerie Lilley | Cast | Actress | Linda Corry | 1 |
 Victoria Smurfit | Cast | Actress | Olivia Foyle | 6 |
 Charlene McKenna | Cast | Actress | DS Niamh McGovern | 10 |
 Colin Carnegie | Cast | Actor | Priest | 1 |
 Emma Little | Cast | Actress | Estate Agent | 2 |
 Jane Brennan | Cast | Actress | Lauren Fitzpatrick | 1 |
 Jonjo O'Neill | Cast | Actor | Ryan Savage | 3 |
 Patrick Buchanan | Cast | Actor | HMSU Commander | 1 |
 Diarmaid Murtagh | Cast | Actor | Robert Dardis | 3 |
 Geraldine McAlinden | Cast | Actress | Counsellor | 1 |
 Lucy McConnell | Cast | Actress | Female Protection Officer | 1 |
 Sara Dylan | Cast | Actress | Beaten Woman | 1 |
 Elly Condron | Cast | Actress | Sandra Dardis | 2 |
 Rachel Handshaw | Cast | Actress | Agent Paula Halcrow | 1 |
 Chris Walley | Cast | Actor | DC William 'Birdy' Bird | 10 |
 Sean Sloan | Cast | Actor | Pat's Solicitor | 1 |
 Nigel O'Neill | Cast | Actor | Chief Superintendent | 1 |
 Caolan Byrne | Cast | Actor | Ben McFarland | 2 |
Cara Kelly | Cast | Actress | Siobhan Harkin | 2 |
 Siobhan Kelly | Cast | Actress | Car Hire Agent | 1 |
 Naseen Morgan | Cast | Sadie | 1 | |
 Shaun Blaney | Cast | Stephen Foyle | 1 | |
 Nigel Mercier | Cast | Actor | HMSU Commander | 1 |
Andrew McNeill | Cast | Waiter | 1 | |
 Vanessa Emme | Cast | Leah Hardy | 3 | |
 Amy Molloy | Cast | Actress | Louise Foyle | 1 |
 Asan N'Jie | Cast | Actor | Larry | 1 |
 Kathy Kiera Clarke | Cast | Actress | Clare Keenan | 2 |
 Lola Petticrew | Cast | Actress | Izzy Brannick | 10 |
 Matthew Sharpe | Cast | Actor | PC Scott | 2 |
Paul Garrett | Cast | Taxi Driver | 1 | |
 Chris McCurry | Cast | Actor | Davy | 2 |
Breige Roche | Cast | Mrs. Ford | 1 | |
Brenda McNeill | Cast | Bomb disposal officer | 1 | |
Jonny Everett | Cast | Actor | Detective | 1 |
 Sean McNamee | Cast | Actor | Intelligence Officer | 1 |
 Vanessa Ifediora | Cast | Judith Kenny | 5 | |
Nicky Harley | Cast | Hospital Receptionist | 2 | |
 Emer Casey | Cast | Actress | Sandwich Shop Owner | 1 |
Roy Heaybeard | Cast | Actor | Farmer | 2 |
Matthew Sharpe | Cast | Actor | Constable Scott | 1 |
Richard McFerran | Cast | DC Joseph Ruddy | 1 | |
Thomas Lappin | Cast | Receptionist | 1 | |
 Brian Robinson | Cast | Actor | Constable Tiny | 3 |
Jesse Frazer | Cast | Actor | James Dardis | 2 |
Marina Hampton | Cast | Border Control Officer | 1 | |
Steven Calvert | Cast | Ted | 1 | |
| Person | Type | Job | Role(s) | Episodes |
