 | Colin Farrell als Pádraic Súilleabháin |
 | Brendan Gleeson als Colm Doherty |
 | Kerry Condon als Siobhán Súilleabháin |
 | Barry Keoghan als Dominic Kearney |
 | Gary Lydon als Peadar Kearney |
 | Pat Shortt als Jonjo Devine |
 | Jon Kenny als Gerry |
 | Sheila Flitton als Mrs. McCormick |
 | David Pearse als Priest |
 | Bríd Ní Neachtain als Mrs. O'Riordan |
 | Aaron Monaghan als Declan |
 | Lasairfhíona Ní Chonaola als Female Singer |
 | James Carty als Student Musician #1 |
 | Conor Connolly als Student Musician #2 |
| Ryan Owens als Student Musician #3 |
| John Carty als Older Musician #1 |
| Oliver Farrelly als Older Musician #2 |
| Ben Knight | Executive Producer |
| Daniel Battsek | Executive Producer |
| Graham Broadbent | Producer |
| Ollie Madden | Executive Producer |
| Martin McDonagh | Director |
| Peter Czernin | Producer |
| Diarmuid McKeown | Executive Producer |
| Martin McDonagh | Producer |
| Martin McDonagh | Writer |
| Jo Homewood | Co-Producer |
| Peter Kohn | Associate Producer |
| Mikkel E.G. Nielsen | Editor |
| Louise Kiely | Casting |
| Paul Ghirardani | Supervising Art Director |
| Virginia Reina | Standby Art Director |
| Eimer Ní Mhaoldomhnaigh | Costume Design |
| Elaine Hopkins | Makeup Artist |
| Aislinn Ní Chuinneagain | Production Manager |
| Peter Kohn | First Assistant Director |
| Paul Byrne | Special Effects Supervisor |
| Joakim Sundström | Supervising Sound Editor |
| Eimear O'Grady | Stunt Coordinator |
| Fionnuala O'Shea | Casting Associate |
| Judith Devlin | Costume Supervisor |
| Eoin Holohan | Location Manager |
| Jeanette McGrath | Script Supervisor |
| Ben Davis | Director of Photography |
| Mark Tildesley | Production Design |
| Carter Burwell | Original Music Composer |
| Samuel Hayes | Second Assistant Camera |
| Jonathan Hession | Still Photographer |
| Alex Jason | Best Boy Grip |
| Howard Jones | Second Assistant "B" Camera |
| Louise MacEllin | First Assistant "B" Camera |
| Thomas Evan Jones | Electrician |
| Mark McGowan | Gaffer |
| Colin McNally | Electrician |
| Aidan Monaghan | Still Photographer |
| Patrick Moran | Second Assistant "B" Camera |
| Tim Morris | First Assistant "B" Camera |
| Onx Narang | Gaffer |
| David Qualter | Drone Operator |
| Michelle Ryan | BTS Videographer |
| Keith Smith | Key Grip |
| Des Whelan | Camera Operator |
| Tim Devine | Art Direction |
| Christine Fitzgerald | Art Direction |
| Duane Chard | Property Builder |
| Charlie Cobb | Concept Artist |
| Erin Coutts | Assistant Set Decoration |
| Anita Dhillon | Graphic Designer |
| Dave Flynn | Other |
| Mark Forbes | Scenic Artist |
| Kevin Fraser | Props |
| Ronan Kennedy | Standby Property Master |
| Julie O'Connor | Props |
| Bethany Spence | Other |
| Osman Baloglu | Digital Compositor |
| Charine Bederar | Visual Effects Producer |
| Timothy P. Jones | Digital Film Recording |
| Pouria Koushki | Digital Compositor |
| Ivaylo Marinov | Visual Effects Compositor |
| Dolores McGinley | Visual Effects Supervisor |
| Daniel McNicoll | Digital Compositor |
| Mohit Varde | Digital Compositor |
| James Flynn | Co-Producer |
| Michael Standish | Set Decoration |
| Orla Carrol | Hair Designer |
| Fiona Hogan | Makeup Artist |
| Lynn Johnson | Makeup Designer |
| Aoife Maher | Key Hair Stylist |
| Ciara Scannell | Makeup Supervisor |
| Alistair Hopkins | Post Production Supervisor |
| Robert Kiernan | Third Assistant Director |
| Cameron Lawther | Second Unit First Assistant Director |
| Ignacio Barbe | Props |
| Anthony Brannigan | Painter |
| Joe Doherty | Supervising Carpenter |
| Guillaume Beauron | First Assistant Sound Editor |
| Chris Burdon | Sound Re-Recording Mixer |
| Simon Chase | Supervising Dialogue Editor |
| Simon Chase | Supervising ADR Editor |
| Patrick Ghislain | Foley Mixer |
| Rebecca Glover | Foley Editor |
| Andrew McArthur | Second Assistant Sound |
| Christer Melén | Sound Effects Editor |
| Sean Miller | ADR Recordist |
| Julien Naudin | Foley Artist |
| Johnathan Rush | Sound Re-Recording Mixer |
| Art Skehan | ADR Recordist |
| Chris Whiteside | ADR Mixer |
| Simon J. Willis | Sound Mixer |
| Jacob Green | VFX Artist |
| Simon Hughes | Visual Effects Supervisor |
| Eric Jacobo | Visual Effects Coordinator |
| Isabella Ippolito | Pipeline Technical Director |
| Alex Metliss | VFX Artist |
| Dillan Nicholls | 2D Supervisor |
| Kevin Norris | Roto Supervisor |
| Maria Peralta Ramos | VFX Artist |
| James Roberts | VFX Artist |
| Jenny Wan | Visual Effects Compositor |
| Connor Dalton | Assistant Costume Designer |
| Karen Rigg | Key Costumer |
| Guilhem Coulibaly | Online Editor |
| Nicola Matiwone | First Assistant Editor |
| Darren Rae | Colorist |
| Valentina Rutigliano | Online Editor |
| George Oulton | Sound Recordist |
| Neil Stemp | Music Editor |
| Jamie Rochford | Prosthetics |
| Dan Martin | Prosthetic Designer |
| Jon Gregory | In Memory Of |
| Anthony Bagley | Digital Imaging Technician |
