- Author:
- Georges Simenon
- Dramatised by:
- Giles Cooper
- Producer:
- Campbell Logan
- Film Cameraman:
- A.A. Englander
- Film Editor:
- Jack Ellitt
- Designer:
- Richard Henry
- Woman at window:
- Lilian Moubrey
- Maigret:
- Basil Sydney
- Janvier:
- Andre van Gyseghem
- Gendarme:
- Louis Raynes
- Doctor:
- Allan McClelland
- Lognon:
- Henry Oscar
- Lucas:
- Philip Guard
- Mlle. Irene:
- Jane Henderson
- Mme. Maigret:
- Anne Blake
- Rose:
- Stella Riley
- Mme. Cremieux:
- Mary Merrall
- Waiter:
- Christopher Steele
- Feret:
- Michael Brennan
- Mme. Laboine:
- Marian Spencer
- Croupier:
- Andre Maranne
- Mlle. Pore:
- Helen Misener
- Mme. Lognon:
- Grace Arnold
- Concierge:
- Margot van Der Burgh
- Santoni:
- David Lander
- Jeanine:
- Gillian Vaughan
- Albert:
- Patrick Troughton
- Clark:
- Gordon Stern
- Louise:
- Gillian Preston
