 | Cillian Murphy als Bill Furlong |
 | Emily Watson als Sister Mary |
 | Eileen Walsh als Eileen Furlong |
 | Ciarán Hinds |
 | Clare Dunne als Sister Carmel |
 | Michelle Fairley als Mrs. Wilson |
 | Helen Behan als Mrs. Kehoe |
| Tim Mielants | Director |
| Enda Walsh | Writer |
| Claire Keegan | Novel |
| Cillian Murphy | Producer |
| Matt Damon | Producer |
| Ben Affleck | Executive Producer |
| Kevin Halloran | Executive Producer |
| Lorraine Hewson | Line Producer |
| Michael Joe | Executive Producer |
| Catherine Magee | Producer |
| Alan Moloney | Producer |
| Susan Mullen | Co-Producer |
| Gitte Nuyens | Co-Producer |
| Jeff Robinov | Producer |
| Bert Van Dael | Co-Producer |
| Sasha Veneziano | Co-Producer |
| Drew Vinton | Producer |
| Maureen Hughes | Casting |
| Alain Dessauvage | Editor |
| Frank van den Eeden | Director of Photography |
| Senjan Jansen | Original Music Composer |
| Paki Smith | Production Design |
| Irene O'Brien | Art Direction |
| Alison McCosh | Costume Design |
| Isaac E. Gozin | Main Title Designer |
| Áine Máire Ní Tháibhís | Script Supervisor |
| Lynn Johnson | Makeup Designer |
| Zoë Gibney | Key Makeup Artist |
| Daire Glynn | First Assistant Director |
| Tanya Rosen | Second Assistant Director |
| Bert Aerts | Sound Effects Editor |
| Guillaume De Bergeyck | Foley Editor |
| Hugh Fox | Sound Mixer |
| Matthias Hillegeer | Sound Re-Recording Mixer |
| Senjan Jansen | Sound Designer |
| Senjan Jansen | Sound Re-Recording Mixer |
| Olivier Thys | Foley Artist |
| Jelmen Palsterman | Visual Effects Supervisor |
| Sam R. Green | Special Effects |
| Simon Magee | Gaffer |
| Sean Leonard | Digital Imaging Technician |
| Eimear Ennis-Graham | Lighting Technician |
