Le grain de sable
- Taon: 1964
- Bansa: Germany, France, Italy, Portugal
- Genre: Drama, Crime
- Studio: Eichberg-Film, Euro International Films, Franco London Films
- Keyword:
- Direktor: Pierre Kast
- Cast: Lilli Palmer, Pierre Brasseur, Laurent Terzieff, Paul Hubschmid, Guido Alberti, Sylva Koscina
