Maud's best friend Elizabeth has disappeared, but as she tries to solve the mystery, dementia threatens to erase all the clues, giving the search a poignant urgency.
| Actor | Role |
|---|---|
 Glenda JacksonMaud Palmer Horsham | Maud Palmer Horsham |
 Maggie SteedElizabeth | Elizabeth |
 Sophie RundleSusan 'Sukey' Palmer Jefford | Susan 'Sukey' Palmer Jefford |
 Helen BehanHelen | Helen |
 Liv HillYoung Maud Palmer | Young Maud Palmer |
 Nell WilliamsKaty | Katy |
 Mark StanleyFrank Jefford | Frank Jefford |
| NNeil PendletonDouglas | Douglas |
 Sam HazeldineTom Horsham | Tom Horsham |
 Michelle DuncanMaud's Mother | Maud's Mother |
 John Paul HurleyMaud's Father | Maud's Father |
 Julie HannanMarjorie | Marjorie |
 Linda HargreavesCarla | Carla |
| NNabs AzizRafid | Rafid |
 Cara KellyThe Woman | The Woman |