- Author:
- Georges Simenon
- Dramatised by:
- Margot Bennett
- Director:
- Gerard Glaister
- Designer:
- Eileen Diss
- Music composed by:
- Ron Grainer
- Film Cameraman:
- A. A. Englander
- Film Editor:
- Barry Toovey
- Script Editor:
- Donald Bull
- Executive Producer:
- Andrew Osborn
- Associate:
- Bill Luckwell
- Joris:
- Frederick Schiller
- Inspector Maigret:
- Rupert Davies
- Baker:
- George Betton
- Shopkeeper:
- Betty Duncan
- Torrance:
- Victor Lucas
- Lucas:
- Ewen Solon
- Doctor Paul:
- John Salew
- Julie:
- Lesley Nunnerley
- Martha:
- Ann Heffernan
- Doctor Camot:
- John Gill
- Captain Delcourt:
- Arnold Bell
- Big Louis:
- Peter Welch
- Captain Lannec:
- Edward Higgins
- Grandmaison:
- Alan Wheatley
- Madame Grandmaison:
- Iris Russell
- Armand:
- Stephen Portch
- Seaman:
- Lee Richardson
- Bernard:
- John Forbes-Robertson
- Policeman:
- Jamie Barnes
- Celestin:
- Leonard Kingston
- Fisherman:
- Ian Fairbairn
- Raymond:
- Robert Cartland
