Kieran Prendiville Creator, Writer Stephen Tompkinson Father Peter Clifford Actor Dervla Kirwan Assumpta Fitzgerald Actor Tony Doyle Brian Quigley Actor Niall Toibin Father MacAnally Actor Gary Whelan Brendan Kearney Actor Frankie McCafferty Donal Docherty Actor Joe Savino Liam Coghlan Actor Deirdre Donnelly Siobhan Mehigan Actor Aine Ni Mhuiri Kathleen Hendley Actor Lena Headey Jenny Clark Guest Star Anthony Brophy Edso Guest Star Richard Standeven Director Paul Harrison Director Joy Lale Producer Robert Cooper Executive Producer Tony Garnett Executive Producer Conor Harrington Executive Producer Alan Moloney Executive Producer