- Unknown:
- Gerald Verner
- Production By:
- David H. Godfrey
- Simon Gale:
- Ivan Samson
- Robert Upcott:
- Howieson Culff
- Inspector Frost:
- Richard George
- Dr Evershed:
- Geoffrey Lewis
- Miss Ginch:
- Winifred Oughton
- Jill Hallam:
- Joan Matheson
- Mrs Barrett:
- Elsa Palmer
- Mrs. Langdon-Humphreys:
- Courtney Hope
- Vanessa Lane:
- Margaret Diamond
- Martin Gale:
- Richard Hurndali
- Wardress:
- Joan Geary
- Margaret Hallam:
- Grizelda Hervey
- Chaplain:
- Hamilton Dyce
- Major Fergusson:
- Felix Felton
