| Episode credited cast: |
 | Christopher Timothy | - | Dr. Brendan 'Mac' McGuire (credit only) |
 | Corrinne Wicks | - | Dr. Helen Thompson (credit only) |
 | Tom Butcher | - | Dr. Marc Eliot (credit only) |
 | Ariyon Bakare | - | Dr. Ben Kwarme (credit only) |
| Ben Jones | - | Dr. Greg Robinson (credit only) |
 | Eva Fontaine | - | Faith Walker |
 | Diane Keen | - | Julia McGuire (credit only) |
 | Akemnji Ndifornyen | - | Nathan Bailey (credit only) |
| Rest of cast listed alphabetically: |
| Zara Dawson | - | Chloe Turner |
| Hazel Ellerby | - | Lynda Turner |
 | Gabrielle Glaister | - | Elaine Marshall |
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