- Author:
- Georges Simenon
- Dramatised by:
- Giles Cooper
- Director:
- Terence Williams
- 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
- Monita:
- Maureen Beck
- Charles Malik:
- Neil Wilson
- Chief Inspector Maigret:
- Rupert Davies
- Madame Maigret:
- Helen Shingler
- Bernadette Amorelle:
- Beatrix Lehmann
- Ernest Malik:
- Ernest Clark
- George Henry:
- Christopher Sandford
- Odette Malik:
- Nicolette Bernard
- Raymonde:
- Sheila Ballantine
- Jeanne:
- Olive Sloane
- Aimee Malik:
- Rosalie Crutchley
- Manservant:
- Bill Raymond
- Campois:
- Meadows White
- Lucas:
- Ewen Solon
- Mimille:
- Dermot Kelly
- Marcel:
- Felix Felton
