- Writer:
- Jonathan Evans
- Dr Mac McGuire:
- Christopher Timothy
- Kate McGuire:
- Maggie Cronin
- Dr Helen Thompson:
- Corrinne Wicks
- Dr Ben Kwarme:
- Ariyon Bakare
- Dr Jude Carlyle:
- Natalie J Robb
- Faith Walker:
- Eva Fontaine
- Katrina Bullen:
- Tabitha Wady
- Dr Marc Eliot:
- Tom Butcher
- Beth Carlyle:
- Valerie Gogan
- Dr Kali Hamada:
- Nicole Arumugam
- Rachel Wilson:
- Sharon Duce
- Edward Wilson:
- Bernard Holley
- Jason Farmer:
- Daniel Pape
- Becky Davies:
- Kate Ford
- Jane:
- Emma Stansfield
- Dr Tom Steele:
- Richard Armitage
- Dr Gary Seymour:
- George Jackos
- Marion Seymour:
- Carol Starks
- Stella Seymour:
- Tasmine Airey
- Pam:
- Holly Atkins
- Mrs Morrison:
- Helen Blatch
- Mr Bragg:
- Ray Armstrong