| Episode complete credited cast: |
 | Stephen Boxer | - | Dr. Joe Fenton (credit only) |
 | Ben Jones | - | Dr. Greg Robinson (credit only) |
 | Stirling Gallacher | - | Dr. Georgina Woodson (credit only) |
| Adrian Lewis Morgan | - | Dr. Jimmi Clay (credit only) |
 | Michael McKell | - | Dr. Nick West (credit only) |
| Donnaleigh Bailey | - | Michelle Corrigan |
 | Diane Keen | - | Julia McGuire (credit only) |
| Sean Gleeson | - | Ronnie Woodson (credit only) |
 | Martha Howe-Douglas | - | Donna Parmar (credit only) |
| Rest of cast listed alphabetically: |
 | Phyllida Law | - | Lila Parker |
 | Sophie Thompson | - | Rachel Barton |
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