Guest Stars Ciaran Griffiths as Steve Stonnall Alex Ferns as Michael Quinn Mark Stobbart as Jay Connock Claire Rafferty as Ellie Connock David Calder as Frank McAffee Yusra Warsama as Zahra Suleiman Philip Hill-Pearson as Lee Stonnall 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