Trailer
Images
 | Brendan Gleeson as Martin Cahill |
 | Adrian Dunbar as Noel Curley |
 | Sean McGinley as Gary |
 | Maria Doyle Kennedy as Frances |
 | Angeline Ball as Tina |
 | Jon Voight as Inspector Ned Kenny |
 | Eanna MacLiam as Jimmy |
 | Tom Murphy as Willie Byrne |
 | John Cronin as Aiden |
 | Paul Hickey as Anthony |
 | Ciarán Fitzgerald as Tommy |
 | Ned Dennehy as Gay |
 | Pat Laffan as Sgt. Patrick Higgins |
 | Eamonn Owens as Young Martin Cahill |
 | Ronan Wilmot as James Donovan |
 | David Wilmot as Assassin |
 | Stephen Brennan as Arthur Ryan |
 | Brendan Coyle as UVF Leader |
 | Jim Sheridan as CPAD Leader |
| Vinny Murphy as Harry |
| Pat Laffan as Police Sergeant Patrick Higgins |
| Colleen O'Neill as Patricia |
| Maebh Gorby as Sylvie |
 | Frank Melia as Lawless |
| Lynn Cahill as Arcade Woman |
 | Don Wycherley as Henry Mackie, Cahill's Defence |
 | Pat Kinevane as Desk Guard |
 | Barry McGovern as IRA Man 1 |
 | Patrick Condren as IRA Man 2 |
| Darren Miley as Young Anthony |
 | Mark Quigley as Young Paddy |
 | Frank Laverty as Garda 1 |
| Kieran Hurley as Garda 2 |
 | Cathy White as Tour Guide |
 | Anne Kent as Mrs Cahill |
 | Donncha Crowley as 1962 Priest |
| Aoife Moriarty as Young Frances |
| Clive Geraghty as Commissioner |
 | Neilí Conroy as Maeve |
 | Peter-Hugo Daly as Beavis, Fence |
| Des Cave as HC Chairman |
 | Brendan Conroy as Corporation Official |
 | Brian McGrath as Doctor |
| Alan Barry as Judge 2 |
 | Pat Leavy as Mrs Duggan |
| Niamh Lineham as Reporter |
 | Jason Byrne as Reporter 2 |
 | Owen O'Neill as Revenue Man 1 |
| David Carey as Revenue Man 2 |
| Ann Doyle as TV Newsreader |
| Emma McIvor as Woman Worker |
| Daragh Kelly as Young Detective |
 | Andrew Bennett as Hollyfield Priest |
| Anthony Fox as Garda 3 |
| Gavin Kelty as Young Hood 1 |
 | Darren Healy as Young Hood 2 |
| Jeff O'Toole as Young Hood 3 |
| Mark Dunne as Young Hood 4 |
| Gerard Kearney as Young Hood 5 |
 | Tony Flynn as Security Guard |
| Jim Reid as Mr Crenshaw |
| Liz Schwartz as Nanny |
| Ami Hedges as Baby |
| Karl Deegan as Garda 4 |
| Mick O'Brien as Garda 5 |
| Des O'Malley as Himself |
| Kevin Flood as Judge |
 | Roxanna Nic Liam as Orla |
| Directing | |
| John Boorman | Director |
Editing | |
| Ron Davis | Editor |
Production | |
| John Boorman | Producer |
Camera | |
| Seamus Deasy | Director of Photography |
Production | |
| Jina Jay | Casting |
Sound | |
| Richie Buckley | Original Music Composer |
Writing | |
| John Boorman | Writer |
| Paul Williams | Author |
Art | |
| Derek Wallace | Production Design |
| Jim Furlong | Art Direction |
Costume & Make-Up | |
| Maeve Paterson | Costume Design |
| Orla Carrol | Hairstylist |
| Maire O'Sullivan | Makeup Artist |
Production | |
| Kieran Corrigan | Executive Producer |
| Betsy Davis | Executive Producer |
| James Flynn | Executive Producer |
| P.J. Pettiette | Executive Producer |
Sound | |
| Ed Colyer | Sound |
| John Fitzgerald | Sound |
| Jenny Lee Wright | Foley Artist |
Production | |
| Shaheen Baig | Casting Assistant |
Crew | |
| Joe Condren | Stunts |
