Guest Stars Adei Bundy as Kathy Miller Lorne MacFadyen as Tom Edwards Tristan Sturrock as Dr Mike Willett Hannah Walters as Matron Beth Relph Scott Chambers as Dr Oscar Beattie Priyanka Patel as Dr Ramya Morgan Liberty Miller as Abi Edwards Douglas Hansell as Dr Rob Thornbury Michelle Parker as Nurse Alison Twana Omer as Yussuf Al-Abdi Shaun Fagan as The Gunman Kate England as Amelia Wyatt Darren Kent as Mr Verity Sherelle Armstrong as Edith Owusu Rebecca-Clare Evans as Carly's Mother Katie Bellwood as Jane Charlotte Anthon as Paramedic #2 Daniel Waterhouse as Paramedic #1 Megan Griffiths as Carly Duggal Ram as Surgeon Simon Naylor as Security Guard
