- Author:
- Georges Simenon
- Dramatised by:
- Giles Cooper
- Producer:
- Rudolph Cartier
- Designer:
- Eileen Diss
- Music composed by:
- Ron Grainer
- Film Cameraman:
- Hugh Wilson
- Film Editor:
- Barry Toovey
- Script Editor:
- Donald Bull
- Executive Producer:
- Andrew Osborn
- Associate:
- Bill Luckwell
- Gassin:
- Al Mulock
- Lock-keeper:
- Michael Golden
- Bargee:
- Dallas Cavell
- Marius Leclercq:
- Michael Brennan
- Ducrau:
- Francis de Wolff
- Aline:
- Jan Kenny
- Inspector Maigret:
- Rupert Davies
- Bebert:
- Julian Sherrier
- Mathilde:
- Magda Miller
- Madame Ducrau:
- Hilda Fenemore
- Jean:
- Clive Marshall
- Lucas:
- Ewen Solon
- Berthe:
- Louise Purnell
- Decharme:
- Brian Hankins
