- Author:
- Georges Simenon
- Dramatised by:
- Margot Bennett
- Director/Executive Producer:
- Andrew Osborn
- Designer:
- Eileen Diss
- Music composed by:
- Ron Grainer
- Film Cameraman:
- Bryan Langley
- Film Editor:
- Ken Bilton
- Script Editor:
- Giles Cooper
- Associate:
- Bill Luckwell
- Gina:
- Diana Beaumont
- Madame Martine:
- Blanche Fothergill
- Inspector Maigret:
- Rupert Davies
- Inspector Boutigues:
- John Gatrell
- Ja Ja:
- Renee Houston
- Sylvie:
- Annette Carell
- Yan:
- Colin Douglas
- Giovani:
- David Lander
- Police Officer:
- Martin Sterndale
- Male Secretary:
- John Kidd
- Harry Brown:
- Paul Eddington
- Female Secretary:
- Anna Churcher
- Hotel Clerk:
- Erik Chitty
- Albert:
- David Grahame
- Flower Seller:
- Irene Prador
