Cate Blanchett

as Veronica Guerin

Gerard McSorley

as John Gilligan

Ciarán Hinds

as John Traynor

Brenda Fricker

as Bernie Guerin

Don Wycherley

as Chris Mulligan

Barry Barnes

as Graham Turley

Simon O'Driscoll

as Cathal Turley

Emmet Bergin

as Aengus Fanning

Charlotte Bradley

as Ann Harris

Mark Lambert

as Willy Kealy

Garrett Keogh

as Tony Gregory

Maria McDermottroe

as Geraldine Gilligan

Paudge Behan

as Brian Meehan

Joe Hanley

as Eugene 'Dutchie' Holland

David Murray

as Charles Bowden

Karl Shiels

as Gilligan Gang Member No. 1

Barry McEvoy

as Gilligan Gang Member No. 2

Gina Costigan

as Traynor's Girlfriend

Alan Devine

as Gerry Hutch

Gerry O'Brien

as Martin Cahill

Gabrielle Reidy

as Frances Cahill

Paul Roe

as Tommy Mullen

David Herlihy

as Peter 'Fatso' Mitchell

Darragh Kelly

as Terry Fagan

Colin Farrell

as Tattooed Boy

Laurence Kinlan

as Timmy (14 year old Junkie)

Danielle Fox-Clarke

as Girl Junkie

Sarah O'Reilly-Maloney

as Girl Junkie No. 2

Paul Ronan

as Jimmy Guerin

Philip O'Sullivan

as Solicitor

Niall Tóibín

as Judge Ballaugh

Kevin McHugh

as Judge at Assault Trial

Joe Taylor

as Priest (Bernadette's Church)

Vinnie McCabe

as Priest at Funeral

Des Cave

as Police Spokesman

Luke Hayden

as Protection Garda No. 1

Joe Gallagher

as Protection Garda No. 2

Ned Dennehy

as Jamey the Tout

Tommy O'Neill

as Cahill Thug No. 1

Shane McCabe

as Cahill Thug No. 2

Brian McGuinness

as Cahill Thug No. 3

Sally Ann Doddy

as Mrs. Hutch

Aaron Harris

as Press Conference Reporter No. 1

Jonathan White

as Press Conference Reporter No. 2

Maggie Wade

as Coleen the Parole Clerk

Anne Cassin

as Woman Newscaster

Elizabeth Moynihan

as Woman Newscaster No. 2

Jimmy Greeley

as Newscaster No. 1

Brian Dobson

as Newscaster No. 2

Kevin Reynolds

as Studio Interviewer No. 1

Gerry Ryan

as Studio Interviewer No. 2

Barbara Brennan

as Jealous Journalist No. 1

Gary Lilburn

as Jealous Journalist No. 2

Jane Brennan

as Jealous Journalist No. 3

Frank Smith

as Jealous Journalist No. 4

Malachy McKenna

as Male Officer No. 1

Kieran Hurley

as Male Officer No. 2

Terry Byrne

as Man in Registry Office

Mick Nolan

as Tax Assessor

Barbara Ryan

as Aengus' Secretary

Enda Oates

as Warehouse Worker No. 1

Martin Dunne

as Warehouse Worker No. 2

Helen Norton

as Witness Nurse No. 1

Noelle Brown

as Witness Nurse No. 2

Veronica Duffy

as ICU Attendant

Brian Munn

as Elegant Equestrian

Cathy White

as Elegant Equestrian Woman

Amy Shiels

as Gilligan's Mistress

Fiona Glascott

as Meehan's Girlfriend

Shelly Smith

as Gang Girlfriend No. 1

Gráinne de Buitléar

as Gang Girlfriend No. 2

Emily Kelly

as Gang Girlfriend No. 3

Vanessa Keogh

as Hooker No. 1

Joe Taylor

as Priest (Bernadette's Church)