Guest Stars Alex Ferns as Michael Quinn Claire Rafferty as Ellie Connock Ciaran Griffiths as Steve Stonnall David Calder as Frank McAffee 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 Fiona Wass as Simone Niall Costigan as Anthony Natalie Ann Jamieson as Karen Steve Wraith as Big Pete Montae Martin as Ahmanuel Suleiman