 | Colin Farrell als Lehiff |
 | Colm Meaney als Jerry Lynch |
 | Kelly Macdonald als Deirdre |
 | Cillian Murphy als John |
 | Brían F. O'Byrne als Mick |
 | Shirley Henderson als Sally |
 | David Wilmot als Oscar |
 | Michael McElhatton als Sam |
 | Deirdre O'Kane als Noeleen |
 | Ger Ryan als Maura |
 | Barbara Bergin als Karen |
 | Pat Laffan als Charlie O'Brien |
 | Ruth McCabe als Celia |
 | Owen Roe als Mr. Henderson |
 | John Rogan als Alfred |
 | Kerry Condon als Café Waitress |
 | Johnny Thompson als Old Man in Café |
 | Emma Bolger als Child with Ice Cream |
| Derry Power als Elderly Man on Bus |
| Neilí Conroy als Helen |
| Tom Farrelly als George |
| Gerry Moore als Seamus Ruane |
| Mikel Murfi als Rabbit Man |
 | Rory Keenan als Anthony Lowry |
| Darragh Kelly als Thomas Downes |
| Hannah McCabe als Store Manager |
 | Donagh Deeney als Danny the Busman |
| Taylor Molloy als Philip (The Boy) |
 | Tom Murphy als Brian - Video Store Manager |
| Conor Lovett als Mr. Leonard |
 | Conleth Hill als Robert |
 | Pascal Scott als Maurice |
 | Norma Sheahan als Student #1 |
 | Cathy Belton als Student #2 |
| Jeremy Anthony Earls als Student #3 |
| Catherine Farrell als Student #4 |
 | Laurence Kinlan als Drug Dealer |
| Patrick Murray als Drug Customer |
 | Conor McDermottroe als Detective #1 |
 | Denis Conway als Detective #2 |
| Jeff O'Toole als Thomas |
| Conor Lambert als Nightclub Barman |
 | Simon Delaney als Bill |
 | Jane Brennan als Mrs. Rooney |
 | David Herlihy als Tony (Security Guard) |
| Michael Hayes als Garda Officer |
| Stewart Donnan als Cathal |
 | Karl Shiels als Wayne |
 | Tomás Ó Súilleabháin als Ben Champion |
| Deirdre Molloy als Woman in Shopping Mall |
| John Crowley | Director |
| Mark O'Rowe | Writer |
| Susie Cullen | Art Direction |
| Neil Jordan | Producer |
| Lucia Zucchetti | Editor |
| Stephen Woolley | Producer |
| Ryszard Lenczewski | Director of Photography |
| Tom Conroy | Production Design |
| Alan Moloney | Producer |
| Jina Jay | Casting |
| John Murphy | Original Music Composer |
| Lorna Marie Mugan | Costume Design |
| Renee Burke | Script Supervisor |
| Susan Mullen | Associate Producer |
| Tristan Whalley | Executive Producer |
| Jonathan Sehring | Executive Producer |
| Tony Aherne | First Assistant Director |
| Rod Stoneman | Executive Producer |
| Des Martin | Line Producer |
| Paul Trijbits | Executive Producer |
| Romany Turner | Associate Producer |
| John Erraught | Associate Producer |
| Brendan Deasy | Sound Recordist |
| Geraldine Daly | Location Manager |
| Eddie Quinn | Boom Operator |
| Barbara Conway | Assistant Makeup Artist |
| Ed Norton | Construction Manager |
| Clint Withington | Additional Editorial Assistant |
| Philip Malone | Driver |
| Sophie Tebbitt | Assistant Accountant |
| Lynn Johnson | Key Makeup Artist |
| Alan Lambert | Storyboard Artist |
| Daragh Lewis | Standby Property Master |
| Eoin Holohan | Location Scout |
| Dorothy McDonnell | Assistant Production Coordinator |
| Luke Quigley | Grip |
| Tom Collins | Still Photographer |
| Joe Curtis | Catering |
| Susan Drennan | Third Assistant Director |
| Ronan Fox | Additional Camera |
| Conor McAllister | Assistant Hairdresser |
| Alan Dunne | Dressing Prop |
| John McKenna | Armorer |
| Patrick Condren | Stunt Coordinator |
| Joe Condren | Stunt Coordinator |
| Lorraine Glynn | Key Hairdresser |
| Majella Hurley | Dialect Coach |
| Richie Donnelly | Focus Puller |
| Addo Gallagher | Electrician |
| Sasfi Hope-Ross | Assistant Location Manager |
| Barbara Dempsey | Assistant Art Director |
| Carmel O'Connor | Property Buyer |
| Max Aita | Dressing Prop |
| Matt Kirwan | Carpenter |
| Paul Davies | Supervising Sound Editor |
| Caitriona Ward | Publicist |
| Ciaran Mahony | Driver |
| Fionn Comerford | Clapper Loader |
| Terry Mulligan | Gaffer |
| Ciara McArdle | Wardrobe Assistant |
| Abi Leland | Music Supervisor |
| Antonia Bates | Dialogue Editor |
| Alex Joseph | ADR Editor |
| Dan Breen | Transportation Captain |
| Tommy Lundy | Standby Painter |
| Trudi McHugh | Unit Medic |
| Johnny Thompson | In Memory Of |
| Darren Keenan | Painter |
| Stephen Carthy | Electrician |
| Brendan Condren | Stunts |
| Judith Devlin | Wardrobe Supervisor |
| Austin Connolly | Carpenter |
| Sean Scott | Lead Painter |
| Cormac O'Omáille | Camera Trainee |
| Tony Condren | Stunts |
| Adrienne McGrane | Art Department Trainee |
| Bryan O'Flaherty | Carpenter |
| Alan Siggins | Painter |
| Caroline McManus | Post Production Supervisor |
| Alice Greenland | Post Production Assistant |
| Jim Moore | Standby Carpenter |
| Suzanne Nicell | Second Assistant Director |
| Pani Scott | First Assistant Editor |
| Simon Brook | Online Editor |
| Dave Sloss | ADR Recordist |
| Paul Lynch | ADR Recordist |
| Cliodhna Colgan | Production Coordinator |
| Liam O'Riain | Carpenter |
| Patrick Condren | Second Unit Director |
| Mick Flood | Property Master |
| Alan Scott | Painter |
| Ray King | Colorist |
| Dixie Chassay | Casting Assistant |
