| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Ciaran Donnelly | Crew | Writing | Screenplay, Writer, Creator | 8 |
 Joseph Lawlor | Crew | Directing | Director | 2 |
Christine Molloy | Crew | Directing | Director | 2 |
Felix Thompson | Crew | Directing | Director | 4 |
 Peter McKenna | Crew | Writing | Screenplay, Writer, Creator | 8 |
 Kate Dolan | Crew | Directing | Director | 2 |
 Tessa Hoffe | Crew | Directing | Director | 4 |
Diarmuid Goggins | Crew | Directing | Director | 4 |
 Aidan Gillen | Cast | Actor | Frank Kinsella | 16 |
 Ciarán Hinds | Cast | Actor | Eamon Cunningham | 8 |
 Conor Mullen | Cast | Actor | Collie Larkin | 3 |
 David Herlihy | Cast | Actor | Detective Paul Breslin | 7 |
 Denise McCormack | Cast | Actress | Jenny Lawlor | 3 |
 Fiona Bell | Cast | Actress | Angela Cunningham | 3 |
 Francis Magee | Cast | Actor | Bren Kinsella | 9 |
Ger Carey | Cast | Beady Donovan | 3 | |
 Keith McErlean | Cast | Actor | Con Doyle | 6 |
 Maria Doyle Kennedy | Cast | Actress | Bridget 'Birdy' Goggins | 16 |
 Paul Tylak | Cast | Actor | Donal Crehan | 4 |
Rachael Dowling | Cast | Actress | Claire Larkin | 3 |
 Tony Doyle | Cast | Actor | Gary Wright | 1 |
 Charlie Cox | Cast | Actor | Michael Kinsella | 16 |
 Emmett Scanlan | Cast | Actor | Jimmy Kinsella | 16 |
 George Georgiou | Cast | Actor | Zehab Can | 6 |
 Peadar Cox | Cast | Benjamin Stokes | 1 | |
 Kenan Ece | Cast | Actor | Hamza | 4 |
Michael O'Kelly | Cast | Prosecution Barrister | 1 | |
 Eddie Jackson | Cast | Actor | Gary Mahon | 1 |
 Marie Ruane | Cast | Actress | Court Registrar | 1 |
Maura Foley | Cast | Actress | Woman | 1 |
 Neill Fleming | Cast | Actor | David 'Dotser' Reid | 4 |
 Sam Keeley | Cast | Actor | Eric 'Viking' Kinsella | 16 |
 Stephen Jones | Cast | Actor | Noel Lawlor | 2 |
Eva-Jane Gaffney | Cast | Actress | Katlyn Hayes | 1 |
 Frank Smith | Cast | Actor | Aubrey McGonigle | 1 |
 Kyle Bradley Donaldson | Cast | Actor | Clayton Finn | 7 |
 Öykü Karayel | Cast | Actress | Nuray Batuk | 5 |
 Cathal Pendred | Cast | Actor | Rory Hayes | 5 |
 Una Carroll | Cast | Actress | DS Jacinta O'Connor | 1 |
 Ben Carolan | Cast | Actor | Glen Wright | 10 |
 Karl Rice | Cast | Actor | Jason Doyle | 1 |
 Aidan O'Hare | Cast | Actor | Father Deegan | 4 |
Alan Howley | Cast | Prison Warden | 1 | |
 Shauna Higgins | Cast | Actress | Jess Duggar (uncredited) | 1 |
 Fionnuala Murphy | Cast | Actress | Maisie Delaney | 1 |
Ruth McGill | Cast | Rhiannon | 1 | |
Deirdre Molloy | Cast | Nellie Wright | 5 | |
 Ryan Lincoln | Cast | Isaac 'Kem' Kemela | 12 | |
Hilary Vesey | Cast | Actress | Viking's Barrister | 1 |
Danny Kehoe | Cast | Tom Morrison | 1 | |
 Nancy Onu | Cast | Actress | Nurse | 2 |
 Slaney Power | Cast | Actress | Jane Cunningham | 1 |
Ciara Bailey | Cast | Jimmy's Date | 1 | |
Daniel Parsons | Cast | Dayna Parsons | 1 | |
 Danielle Galligan | Cast | Actress | Pharmacist Molly | 4 |
 Gwynne McElveen | Cast | Actress | Natasha Halpin | 1 |
Lewis Brophy | Cast | Shane McGonigle | 2 | |
 Jade Jordan | Cast | Actress | Nellie Akanji | 1 |
 Clare Dunne | Cast | Actress | Amanda Kinsella | 16 |
 Owen Barton | Cast | Actor | Doctor Sam Rooney | 1 |
 Thommas Kane Byrne | Cast | Actor | Francis 'Fudge' Flynn | 4 |
Donna Anita Nikolaisen | Cast | Actress | Estate Agent | 1 |
 Anthony Morris | Cast | Actor | Keith Boylan | 2 |
Mark Lawrence | Cast | Young Male Doctor | 1 | |
Claire O'Donovan | Cast | Actress | Judge | 1 |
Libby Dunne | Cast | Katie Wallace | 4 | |
 Ericka Roe | Cast | Actress | Siobhan Wright | 1 |
Karen Killeen | Cast | News Reporter | 1 | |
 Esosa Ighodaro | Cast | Actress | Detective Liz Cullen | 3 |
Kenneth Hudson | Cast | Kevin Delaney | 2 | |
Cara Christie | Cast | Crehan Receptionist | 1 | |
 Aaron Katambay | Cast | Eddie Lucas | 5 | |
 Jack Walsh | Cast | Actor | Derek Ward | 1 |
Haydar Köyel | Cast | Actor | Hazim Atkas | 1 |
Anthony Kinahan | Cast | Actor | Garda Officer | 4 |
Paula McGlinchey | Cast | Pharmacist | 1 | |
 Bamshad Abedi-Amin | Cast | Actor | Cenk Batuk | 2 |
 Dylan Brady | Cast | Luke Cunningham | 1 | |
Aine Flanagan | Cast | Louise Brady | 1 | |
 Yasmin Seky | Cast | Actress | Nikita 'Nikki' Kaye | 16 |
 Shane G. Casey | Cast | Actor | Paddy Hughes | 2 |
 Baz Black | Cast | Ged Delaney | 3 | |
 Jack Mullarkey | Cast | Wayne Madigan | 5 | |
 Sallay Garnett | Cast | Actress | Lauren Bridges | 3 |
Colleen Keogh | Cast | Doctor Jane Kelly | 3 | |
Owen Mulhall | Cast | Taxi Driver | 1 | |
Philip Smith | Cast | Simon | 1 | |
 Sinan Sicimoğlu | Cast | Actor | Teller | 2 |
Aidan Jordan-Boodle | Cast | Actor | Father Scriven | 2 |
Dane Whyte O'Hara | Cast | Zach Burke | 2 | |
| Person | Type | Job | Role(s) | Episodes |
