- Author:
- Anthony Hope
- Dramatised by:
- Donald Wilson
- Costumes supervised by:
- Sheila Glassford
- Make-up supervised by:
- Maureen Winslade
- Designer:
- Sally Hulke
- Script editor:
- Betty Willingale
- Producer:
- Campbell Logan
- Director:
- Gerald Blake
- Rupert of Hentzau:
- Peter Wyngarde
- Herbert:
- Philip Ray
- Colonel Sapt:
- John Phillips
- Fritz von Tarlenheim:
- Tristram Jellinek
- James:
- Robert James
- Rudolf Rassendyll:
- George Baker
- The Chancellor:
- William Sherwood
- Max:
- Sidney Monckton
- Queen Flavia:
- Barbara Shelley
- Lieutenant Bernenstein:
- Mark Burns
- Helga von Tarlenheim:
- Sally Home
- Rosa Holf:
- Amanda Reiss
- Count Luzau-Rischenheim:
- Derek Blomfield
- Footman:
- Brian Sheehy