Brendan Gleeson
Sergeant Gerry Boyle

Don Cheadle
FBI agent Wendell Everett

Liam Cunningham
Francis Sheehy

Mark Strong
Clive Cornell

Katarina Čas
Gabriela McBride

David Wilmot
Liam O'Leary

Rory Keenan
Garda Aidan McBride

Laurence Kinlan
Photographer

Dominique McElligott
Aoife O'Carroll

Sarah Greene
Sinead Mulligan

Fionnula Flanagan
Eileen Boyle

Gary Lydon
Garda Inspector Gerry Stanton

Mícheál Óg Lane
Eugene Moloney

Mark O'Halloran
Garda No. 1

David Pearse
Bartley

Owen Sharpe
Billy Devaney

Wale Ojo
Doctor Oleyuwo

Darren Healy
Jimmy Moody

Conor Moloney
Detective

Laura Hitchings
Female Garda

Pat Shortt
Colum Hennessey