Feature length special doubling as the finale of the show. Alan and Joanna are on the run after a crime spree and the HR staff begin to riot. Meanwhile Caroline overhears Mac telling Guy his tragic news, and begins to think about whether she made the right decision with her love life.
| Actor | Role |
|---|---|
 Tamsin GreigCaroline Todd | Caroline Todd |
 Julian Rhind-TuttMac | Mac |
 Stephen ManganGuy Secretan | Guy Secretan |
 Pippa HaywoodJoanna Clore | Joanna Clore |
 Mark HeapAlan Statham | Alan Statham |
 Michelle GomezSue White | Sue White |
 Karl TheobaldMartin Dear | Martin Dear |
 Oliver ChrisBoyce | Boyce |
 Olivia ColmanHarriet Schulenburg | Harriet Schulenburg |
 Sally BrettonKim Alabaster | Kim Alabaster |
 Lucinda RaikesKaren Ball | Karen Ball |