Guest Stars India Ria Amarteifio as Nora Randall Cherrelle Skeete as Bryony Cummings Lewis Reeves as Curtis Saunders Marianne Oldham as Jane Colter Amy Cudden as Sarah McLean Rebekah Staton as Mary-Ann Phillips Hannah Tointon as Rachel Saunders Mark Dexter as Stewart McLean Laura Doddington as DS Mayes Jade Harrison as Deborah Haynes Caroline Ginty as Carol Darcie Smith as Charlotte McLean Yasmine Holness-Dove as Doctor Crispin Letts as Dr Colin McAfferty Nasreen Hussain as Nurse Kate Daisy Ashford as Mum of Riding Girl Carol Walton as Female Official Sienna Schneider as Horse Riding Girl Eve Webster as Nurse Freya