The surrealist painter René Magritte questions the objective reality and emphasizes the arbitrariness of the relationship between an object, its image and its name: the evocation of mystery consists of images of familiar things gathered or transformed in such a way that they no longer conform to our ideas, whether naive or wise.
| Actor | Role |
|---|---|
 Serge SauvionSelf - Narrator (voice) | Self - Narrator (voice) |
 René MagritteSelf - Painter (uncredited) | Self - Painter (uncredited) |
| MMarcel LecomteSelf - Writer (uncredited) | Self - Writer (uncredited) |
| LLouis ScutenaireSelf - Writer (uncredited) | Self - Writer (uncredited) |
| CCamille GoemansSelf - Writer (uncredited) | Self - Writer (uncredited) |
| IIrène HamoirSelf - Writer (uncredited) | Self - Writer (uncredited) |