Guest Stars Alex Ferns as Michael Quinn Ciaran Griffiths as Steve Stonnall David Calder as Frank McAffee Claire Rafferty as Ellie Connock Yusra Warsama as Zahra Suleiman Philip Hill-Pearson as Lee Stonnall Mark Stobbart as Jay Connock Caroline Loncq as Anna Marshbrook Oliver Wellington as Jack Marshbrook Co Starring Riley Jones as DC Mark Edwards Niall Costigan as Anthony Fiona Wass as Simone Natalie Ann Jamieson as Karen Steve Wraith as Big Pete Montae Martin as Ahmanuel Suleiman