- Author:
- Georges Simenon
- Dramatised by:
- Giles Cooper
- Director:
- Gerard Glaister
- Designer:
- Eileen Diss
- Music composed by:
- Ron Grainer
- Film Cameraman:
- John Ray
- Film Editor:
- Ian Callaway
- Script Editor:
- Giles Cooper
- Executive Producer:
- Andrew Osborn
- Associate:
- Bill Luckwell
- Inspector Maigret:
- Rupert Davies
- Maid:
- Shirley Patterson
- Madame Gallet:
- Jean Anderson
- Doctor:
- William Sherwood
- Sergeant:
- Peter Barkworth
- Tardivot:
- Charles Lloyd Pack
- Lucas:
- Ewen Solon
- Henri Gallet:
- Gareth Davies
- Madame Canut:
- Anne Blake
- Tiburce:
- Maurice Denham
- Old woman:
- Molly Veness
- Eleanor:
- Anne Ridler
- Baptista:
- Joseph Levine
- Jacob:
- Wilfred Brambell
- Louis Potin:
- Richard Warner
- Madame Maigret:
- Helen Shingler
