| Episode credited cast: |
 | Christopher Timothy | - | Dr. Brendan 'Mac' McGuire (credit only) |
 | Corrinne Wicks | - | Dr. Helen Thompson (credit only) |
 | Ariyon Bakare | - | Dr. Ben Kwarme (credit only) |
 | Stirling Gallacher | - | Dr. Georgina Woodson |
| Ben Jones | - | Dr. Greg Robinson |
 | Eva Fontaine | - | Faith Walker (credit only) |
 | Diane Keen | - | Julia McGuire (credit only) |
 | Akemnji Ndifornyen | - | Nathan Bailey |
| Andrea Green | - | Sarah Finch (credit only) |
| Sean Gleeson | - | Ronnie Woodson |
| Rest of cast listed alphabetically: |
 | Houda Echouafni | - | Efua Abbas |
 | Sean Francis | - | Inspector Bill Marshall |
| Hosh Kane | - | Sharrif Assam |
 | Christian Rodska | - | Frank Tanner |
hd.thomson-multimedia