| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Georges Simenon | Crew | Creator | Creator | |
 Thomas Engel | Crew | Directing | Director | 13 |
Wolfgang Becker | Crew | Directing | Director | 13 |
Alwy Becker | Cast | Actress | Marthe Borchain | 1 |
 Arno Assmann | Cast | Actor | Dr. Crique | 1 |
 Arthur Brauss | Cast | Actor | Francis | 1 |
 Bernd Herzsprung | Cast | Actor | Fabry | 1 |
 Bert Fortell | Cast | Actor | Coutard | 1 |
 Bruno Dietrich | Cast | Actor | Gilbert | 1 |
 Corny Collins | Cast | Actress | Mrs. Nuts | 1 |
 Dieter Borsche | Cast | Actor | Professeur Gromaire | 1 |
 Doris Gallart | Cast | Actress | Madame La Roche | 1 |
 Edith Heerdegen | Cast | Actress | Héloïse | 1 |
 Ellen Umlauf | Cast | Actress | Mrs. Dundee | 1 |
 Elma Karlowa | Cast | Actress | Madame Javal | 1 |
Erika Dannhoff | Cast | Marianne | 13 | |
 Eva Maria Meineke | Cast | Actress | Schwester Jeanne | 1 |
 Evelyn Opela | Cast | Actress | Vamp | 1 |
 Franz Schafheitlin | Cast | Actor | Duffe | 1 |
 Friedrich G. Beckhaus | Cast | Actor | Jean | 1 |
 Georg Lehn | Cast | Actor | Pierre | 1 |
 Gert Haucke | Cast | Actor | Kees van der Donck | 1 |
 Günther Kaufmann | Cast | Actor | Georges Marchand | 1 |
 Hans Georg Panczak | Cast | Actor | Hector | 1 |
 Hellmut Lange | Cast | Actor | Boucher | 1 |
 Herbert Fleischmann | Cast | Actor | Roger Borchain | 1 |
 Herbert Fux | Cast | Actor | Louis | 1 |
 Horst Sachtleben | Cast | Actor | Aristide Bonnet | 1 |
 Judy Winter | Cast | Actress | Danielle | 1 |
Klaus Herm | Cast | Actor | Kommissar Lucas | 13 |
 Kurt Meisel | Cast | Actor | Baron Vauquelin-Radot | 1 |
 Manfred Seipold | Cast | Actor | Polizeifotograf | 1 |
 Maria Schell | Cast | Actress | Ernestine | 1 |
Marianne Brandt | Cast | Actress | Bauersfrau | 1 |
Max Mairich | Cast | Actor | Kommissar Marcellin | 13 |
 Peer Schmidt | Cast | Actor | Jean Dollent | 13 |
 Peter Fricke | Cast | Actor | Dr. Philippe Lourtie | 1 |
Peter Parten | Cast | Actor | Inspektor Torrence | 13 |
 Peter Pasetti | Cast | Actor | Baron Olivier | 1 |
 Sabine Sinjen | Cast | Actress | Marine / Denise | 1 |
 Siegfried Rauch | Cast | Actor | Leon | 1 |
 Sky du Mont | Cast | Actor | Tex | 1 |
 Tilly Lauenstein | Cast | Actress | Mutter Rochard | 1 |
 Ulli Kinalzik | Cast | Actor | Claude | 1 |
 Ursula Lingen | Cast | Actress | Nicole Pilard | 1 |
 Walter Kohut | Cast | Actor | Dumont | 1 |
 Wilfried Klaus | Cast | Actor | Dr. Samson | 1 |
 Willi Rose | Cast | Actor | Admiral | 1 |
 Wolf Roth | Cast | Actor | Philippe | 1 |
 Wolfried Lier | Cast | Actor | Calmet | 1 |
| Person | Type | Job | Role(s) | Episodes |
