Malick struggles with the idea of treating a convicted killer, but softens when he hears the man's side of the story and becomes determined to save him so he can be reunited with his daughter.
[2] All 16 main characters from series thirteen initially returned - consultant cardiothoracic surgeons Elliot Hope (Paul Bradley) and Jac Naylor (Rosie Marcel), consultant general surgeons Henrik Hanssen (Guy Henry), Ric Griffin (Hugh Quarshie) and Michael Spence (Hari Dhillon), consultant orthopaedic surgeon Dan Hamilton (Adam Astill), cardiothoracic surgical registrars Sahira Shah (Laila Rouass) and Greg Douglas (Edward MacLiam), general surgical registrars Antoine Malick (Jimmy Akingbola) and Sacha Levy (Bob Barrett), Foundation Training 2 doctor Oliver Valentine (James Anderson), Foundation Training 1 doctor Frieda Petrenko (Olga Fedori), senior nurse Eddi McKee (Sarah-Jane Potts), ward sister Chrissie Williams (Tina Hobley), staff nurse Elizabeth Tait (La Charné Jolly) and agency nurse Chantelle Lane (Lauren Drummond).
Young expanded, "Luc is an enigmatic stranger whose diagnostic genius and acerbic wit make him a brilliant doctor but an occasionally infuriating colleague.
"[6] New Foundation Training 1 doctor Tara Lo (Jing Lusi) joined the show on 6 March 2012,[7] followed by the introduction of experienced consultant general surgeon Serena Campbell (Catherine Russell), nurse and transplant co-ordinator Jonny Maconie (Michael Thomson) and cardiothoracic registrar Mo Effanga (Chizzy Akudolu) in May 2012.
Recurring characters have included staff nurses Mary-Claire Carter (Niamh McGrady) and Lleucu Jones (Daisy Keeping), consultant general surgeon and AAU clinical lead Alex Broadhurst (Sasha Behar), who appeared for six episodes in early 2012, and consultant anaesthetist Rafi Raza (Zubin Varla), husband of established character Sahira Shah, who was introduced as part of Laila Rouass' exit storyline.