- Author:
- Georges Simenon
- Dramatised by:
- Roger East
- Director/Executive Producer:
- Andrew Osborn
- Organ played by:
- Tom McCall
- Designer:
- Eileen Diss
- Music composed by:
- Ron Grainer
- Film Cameraman:
- Hugh Wilson
- Film Editor:
- Barry Toovey
- Script Editor:
- Donald Bull
- Associate:
- Bill Luckwell
- Emile Gautier:
- John Bown
- Count Maurice:
- William Franklyn
- Father Damian:
- Philip Stone
- Chief Inspector Maigret:
- Rupert Davies
- Madame Maigret:
- Helen Shingler
- The Countess:
- Dorothy Black
- Doctor:
- William Mervyn
- Baptiste:
- Patrick Boxill
- Jean-Pierre:
- Terry Raven
- Gautier:
- Clive Morton
- Albert:
- Beckett Bould
- Marie:
- Kathleen Saintsbury
- Jean Metayer:
- Colin Jeavons
- Sonia Vassiliev:
- Susanna Carroll
- Foreman:
- Meredith Edwards
- Farmer:
- Lance George
