| Person | Type | Job | Role(s) |
|---|---|---|---|
 Calexico | Crew | Sound | Original Music Composer |
Chris Clark | Crew | Production | Producer |
Chris Gill | Crew | Editing | Editor |
 Ed Guiney | Crew | Production | Producer |
Eimer Ní Mhaoldomhnaigh | Crew | Costume & Make-Up | Costume Design |
Jina Jay | Crew | Production | Casting |
 John Michael McDonagh | Crew | Directing | Director, Screenplay |
 John Paul Kelly | Crew | Art | Production Design |
Kathleen Weir | Crew | Directing | Script Supervisor |
Larry Smith | Crew | Camera | Director of Photography |
Morna Ferguson | Crew | Costume & Make-Up | Makeup Department Head |
Orla Carrol | Crew | Costume & Make-Up | Hairstylist |
Pete Cavaciuti | Crew | Camera | Steadicam Operator |
Robert Flanagan | Crew | Sound | Production Sound Mixer |
 Andrew Lowe | Crew | Production | Producer |
Ciara McArdle | Crew | Costume & Make-Up | Costume Supervisor |
Lawrence Atkinson | Crew | Crew | Unit Publicist |
Lucy van Lonkhuyzen | Crew | Art | Art Direction |
 Martin McDonagh | Crew | Production | Executive Producer |
Stephen Murphy | Crew | Camera | Steadicam Operator |
Flora Fernández-Marengo | Crew | Production | Producer |
Joey Burns | Crew | Sound | Original Music Composer |
John Convertino | Crew | Sound | Original Music Composer |
 Brendan Gleeson | Cast | Actor | Sergeant Gerry Boyle |
 Darren Healy | Cast | Actor | Jimmy Moody |
 David Pearse | Cast | Actor | Bartley |
 David Wilmot | Cast | Actor | Liam O'Leary |
 Dominique McElligott | Cast | Actress | Aoife O'Carroll |
 Don Cheadle | Cast | Actor | FBI agent Wendell Everett |
 Fionnula Flanagan | Cast | Actress | Eileen Boyle |
 Gary Lydon | Cast | Actor | Garda Inspector Gerry Stanton |
 Laurence Kinlan | Cast | Actor | Photographer |
 Liam Cunningham | Cast | Actor | Francis Sheehy |
 Mark O'Halloran | Cast | Actor | Garda No. 1 |
 Mark Strong | Cast | Actor | Clive Cornell |
 Owen Sharpe | Cast | Actor | Billy Devaney |
 Pat Shortt | Cast | Actor | Colum Hennessey |
 Rory Keenan | Cast | Actor | Garda Aidan McBride |
 Wale Ojo | Cast | Actor | Doctor Oleyuwo |
 Katarina Čas | Cast | Actress | Gabriela McBride |
 Sarah Greene | Cast | Actress | Sinead Mulligan |
 Mícheál Óg Lane | Cast | Actor | Eugene Moloney |
 Conor Moloney | Cast | Actor | Detective |
 Laura Hitchings | Cast | Actress | Female Garda |
| Person | Type | Job | Role(s) |
