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