Samuel Noel "Sam" Strachan is a cardiothoracic surgeon, former Medical Director of Holby City Hospital, current emergency medical locum registrar and former surgical registrar who worked on the Darwin Ward of hospital from 2006 to 2008. Whilst working at Holby, he had a child, Grace, with co-worker Connie Beauchamp. In February 2017, he was appointed as the hospital's new Medical Director, responsible for overseeing the ED and the wards. However in July 2017, he resigned from his role and became a locum registrar within the ED. In August 2017, Sam resigned from his post, leaving Holby with Grace.