Theorem

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.

Cast

Terence Stamp

The Visitor

Silvana Mangano

Lucia, the Mother

Massimo Girotti

Paolo, the Father

Anne Wiazemsky

Odetta, the Daughter

Andrés José Cruz Soublette

Pietro, the Son