| ANGE | ___ Godard, Eli Ebrahimi's colleague at Holby City Hospital (4) |
| CHLOE | Surgeon Ange Goddard's daughter and colleague at Holby City Hospital (5) |
| SELF | Guy __, hard-nosed CEO at Holby City Hospital (4) |
| RIDA | Likeable new nurse on probation at Holby City Hospital in Casualty (4,5) |
| NINA | ___ Karnik, former medical director at Holby City (4) |
| NEET | Actor behind clinical fellow Rash Masum, who works at Holby City ED (4,5) |
| LANE | Kent's colleague at The Daily Planet |
| LOIS | Clark's colleague at The Daily Planet |
| DEAN | Former paramedic who recently returned to work at Holby ED in Casualty (4,4) |
| IAIN | Former paramedic who recently returned to work at Holby ED in Casualty (4,4) |
| SCAN | Medical examination often ordered at Holby City's ED (4) |
| ELLIOT | Professor at Holby City Hospital and mastermind of the Hertzig project (6,4) |
| RAF | __ Di Lucca, colleague of at Holby City Hospital (3) |
| AMAAN | Likeable new nurse on probation at Holby City Hospital in Casualty (4,5) |
| LOUISE | __ Tyler, works at reception at Holby City Hospital's ED (6) |
| WILLNOBLE | Jack Nolan's paediatric registrar alter ego who works at Holby City Hospital's emergency department (4,5) |
| REGISTRAR | Raf di Lucca works at Holby City Hospital as a specialist emergency medicine __ (9) |
| RIC | __ Griffin, long-serving medic at Holby City Hospital (3) |
| GRIFFIN | Ric __, consultant who works at Holby City Hospital (7) |
| SERENA | __ Campbell, surgeon at Holby City Hospital played by Catherine Russell (6) |
