Quelqu'un derrière la porte
- අවුරුදු: 1971
- රට: France
- ප්රභේදය: Thriller, Crime, Drama
- ශබ්දාගාර: SNC, Comacico, Lira Films
- මූල පදය: infidelity, amnesia
- අධ්යක්ෂක: Nicolas Gessner
- කාස්ට්: Charles Bronson, Anthony Perkins, Jill Ireland, Henri Garcin, Agathe Natanson, André Penvern