After the theft of a priceless Van Gogh from a Parisian museum, Maigret follows his chief suspect to Lausanne where the suspect is found murdered.
| Actor | Role |
|---|---|
 Heinz RühmannKommissar Maigret | Kommissar Maigret |
 Françoise PrévostSimone | Simone |
 Eddi ArentFrancois Labas | Francois Labas |
 Ulli LommelRené Delfosse | René Delfosse |
 Günter StrackKommissar Delvigne | Kommissar Delvigne |
 Giacomo FuriaMarcello Genaro | Marcello Genaro |
 Günther StollAlain Robin | Alain Robin |
 Günther UngeheuerMr. Holoway | Mr. Holoway |
| GGerd VespermannInspektor Caselle | Inspektor Caselle |
 Edwin NoëlJean | Jean |
 Alexander KerstAndré Delfosse | André Delfosse |
| CChristo NeggasAdriano Genaro | Adriano Genaro |
 Claudio CamasoGiorgio Genaro | Giorgio Genaro |
| FFrancesca RosanoFranchita | Franchita |
| PPeter GroßInspektor Lapointe | Inspektor Lapointe |
| SSilvana SansoniAnimierdame | Animierdame |
| PPeter GerhardMuseumsdirektor | Museumsdirektor |
| RRudolf BarryInspektor Lucas | Inspektor Lucas |
| GGerhard KoskaNot listed | Not listed |
| WWalter VarndalBauchladenmann | Bauchladenmann |