Guest Stars Orla Mullan as DS Roz MacFarlene Jorin Cooke as Conor Scott Ciaran Flynn as Aaron Armstrong Valerie Lilley as Megan Healy Shaniqua Okwok as Alanah James Martin as Danny Armstrong Michael Shea as Ryan Colley Emily Flain as Jessie Healy Nigel O'Neill as Driver Carol Moore as Naomi Cairney Jim Dornan as Deputy Chief Constable
