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 Imani McLaren as Imani Turner Simon Delaney as George Dwayne Scantlebury as Jacob King Damien Devaney as Prison Officer 2 Steve Wilson as Prison Officer Jenny Jules as Barbara King Omaar March as Benny King Sefton Miller as Young South Soldier Lucien Laviscount as Elijah King Vincent Davies as Xavier Foley Adam Goodwin as Male Nurse Sarah Ozeke as Lynn O'Connor Ciaran Clancy as Maurice Foley Tremayne Maynard as Young Sean Remie Purtill-Clarke as Augustine's P.A.