Theorem
- Cast: Terence Stamp, Silvana Mangano, Massimo Girotti, Anne Wiazemsky, Andrés José Cruz Soublette
- Duration: 95 minutes
- Genre: Mystery, Drama
- Rating: 7.057/10
- Release Date: 1968-09-07
A wealthy Italian household is turned upside down when a handsome stranger arrives, seduces every family member and then disappears. Each has an epiphany of sorts, but none can figure out who the seductive visitor was or why he came.
