Andy Spader has been happily married for 13 years, with two teenage children, when he meets a younger woman, Claire Holmes, after going to investigate a break-in at her travel agency shop. Having told his wife that he is leaving her, he learns that Claire has just discovered that she has an inoperable brain tumour and has only a few months to live.
| Actor | Role |
|---|---|
 Tamzin OuthwaiteClaire Holmes | Claire Holmes |
 Julie GrahamElaine Spader | Elaine Spader |
 Mark StrongAndy Spader | Andy Spader |
 Aidan GillenPaul | Paul |
 Gugu Mbatha-RawNurse | Nurse |
 Daniel RyanSteve | Steve |
 Pooky QuesnelSuzi | Suzi |
 Kaye WraggLou Lou | Lou Lou |
 Laura GreenwoodPetra | Petra |
| JJack StanleyAnthony | Anthony |
 Jonathan BaileyJustin | Justin |
| VVerity LewisKrystal | Krystal |
| PPaula JenningsPaula | Paula |
 Stacey RocaSammi | Sammi |
 Kate LonerganHelen | Helen |
| AAndrew T. CollinsVicar | Vicar |