Guest Stars Wunmi Mosaku as Stacey Cox Flora Montgomery as Anna Cronin John Kavanagh as John O'Connor Terence Maynard as Barrington Smith Darren Morfitt as Blanchflower Reece Noi as Sean O'Connor Simon Delaney as George Imani McLaren as Imani Turner David Wilmot as Declan Henderson Michael McElhatton as Norman McGinty Philip Arditti as Suliman Dwayne Scantlebury as Jacob King Damien Devaney as Prison Officer 2 Steve Wilson as Prison Officer