While the investigation centres on the Jefferson family and their entourage, Miss Marple's hunch about a second killing proves all too tragically justified.
| Name | Type | Role | |
|---|---|---|---|
| T.R. Bowen | Writer | ||
| Ian Brimble | Guest Star | ||
| Andrew Cruickshank | Guest Star | ||
| Anthony Smee | Guest Star | ||
| Valentine Dyall | Guest Star | ||
| Gwen Watford | Guest Star | ||
| Moray Watson | Guest Star | ||
| David Horovitch | Guest Star | ||
| Debbie Arnold | Guest Star | ||
| Trudie Styler | Guest Star | ||
| Frederick Jaeger | Guest Star | ||
| Jess Conrad | Guest Star | ||
| Ciaran Madden | Guest Star | ||
| Raymond Francis | Guest Star | ||
| Keith Drinkel | Guest Star | ||
| Silvio Narizzano | Director |