Leaving his ill and ageing wife in a care home, a retired astronomer revisits one of their old coastal haunts, but after discovering a ring on the beach is soon haunted himself.
| Name | Type | Role | |
|---|---|---|---|
| Neil Cross | Writer | ||
| Gemma Jones | Guest Star | ||
| Leslie Sharp | Guest Star | ||
| Sophie Thompson | Guest Star | ||
| John Hurt | Guest Star | ||
| Andy De Emmony | Director |