- Unknown:
- Agatha Christie
- Dramatised By:
- T. R. Bowen
- Unknown:
- David Waller
- Unknown:
- Jill Meager
- Unknown:
- Maurice Denham
- Unknown:
- Joanna David
- Unknown:
- Elspeth McGiuicuddy
- Directed By:
- Martyn Friend
- Produced By:
- George Gallaccio
- Miss Marple:
- Joan Hickson
- Det Insp Slack:
- David Horovitch
- Anna:
- Juliette Mole
- Bryan Eastley:
- David Beames
- Mrs McGiUicuddy:
- Mona Bruce
- Porter:
- Nicholas Blane
- Mary:
- Katy Jarrett
- Desk sergeant:
- Leslie Adams
- Det Sgt Lake:
- Ian Brimble
- Mrs Brogan:
- Rhoda Lewis
- Lucy:
- Jill Meager
- Emma:
- Joanna David
- Luther:
- Maurice Denham
- Dr Quimper:
- Andrew Burt
- Alexander Eastley:
- Christopher Haley
- James Stoddart-West:
- Daniel Steel
- Harold Crackenthorpe:
- Bernard Brown
- Alfred:
- Robert East
- Cedric:
- John Hallam
- Patmore:
- Alan Penn
- Chief Insp Duckham:
- David Waller
