| Episode credited cast: |
 | Christopher Timothy | - | Dr. Brendan 'Mac' McGuire (credit only) |
 | Corrinne Wicks | - | Dr. Helen Thompson (credit only) |
 | Ariyon Bakare | - | Dr. Ben Kwarme |
 | Stirling Gallacher | - | Dr. Georgina Woodson (credit only) |
| Ben Jones | - | Dr. Greg Robinson |
 | Eva Fontaine | - | Faith Walker |
 | Diane Keen | - | Julia McGuire (credit only) |
 | Akemnji Ndifornyen | - | Nathan Bailey (credit only) |
| Andrea Green | - | Sarah Finch (credit only) |
| Sean Gleeson | - | Ronnie Woodson (credit only) |
| Rest of cast listed alphabetically: |
| Lindsey Fawcett | - | Sophie James |
| Dean Sullivan | - | Joe Preston |
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