- Author:
- Marcelle Maurette
- Translated and adapted by:
- Judith Kerr
- Designer:
- Frederick Knapman
- Producer:
- Stuart Burge
- Organ grinder:
- Andrew Downie
- Judge:
- Llewellyn Rees
- Marie:
- Yvonne Mitchell
- Prosecuting Counsel:
- John Le Mesurier
- Lachaud:
- William Peacock
- Paillet:
- John Kidd
- De Foy:
- Graham Crowden
- Baroness Garat:
- Ann Heffernan
- Martens:
- John Gatrell
- M. Lafarge:
- George Murcell
- Usher:
- J. Leslie Frith
- Clementine:
- Annabelle Lee
- Old Mme Lafarge:
- Freda Jackson
- Denis:
- Maxwell Shaw
- Mile Brun:
- Avril Elgar
- Leon:
- Charles Hill
- Amena:
- Annie Leake
- Emma:
- Frances Guthrie
- Lespinasse:
- Kevin Stoney
- Orfila:
- Humphrey Morton
