Born in Arona, Piedmont, Caligari began his career as a documentarist, often collaborating with Franco Barbero; his first work was Perché droga (1975).
Lahir di Arona, Piedmont, Caligari memulai kariernya sebagai pembaut dokumenter, seringkali berkolaborasi dengan Franco Barbero; karya pertamanya adalah Perché droga (1975).