Guest Stars Gavin O'Connor as Macken Aaron Edo as Isaiah Bankole Sean Fox as Fitzer Seán Edo as Oba Bankole Cillian O'Sullivan as Dunnie Barry Ward as Matt Jimmy Smallhorne as Gar Don Wycherley as Superintendent Cole Carl Shaaban as Brains Phina Oruche as Marvellous Florence Adebambo as Flora Reomy D Mpeho as Toby Enoch Frost as Benjamin Taby Ruigu as Nina Irma Mali as Eloise Dambudzo Huwa as Hope Lucy Cray-Miller as Gráinne / Psychologist Laura Murray as Gar's Wife Alexandra Stamati as Care Worker Bryony Flatman as Dr. Brennan
