How many movies have Emilio Roncarolo and Giuseppe de Liguoro collaborated on?

They have worked on 1 movie together! Their first movie together was Dante's Inferno (1911) and was their highest rated movie together. They have not worked together since Dante's Inferno (1911).

Crew
Director of Photography
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Role
Farinata degli Uberti / Pier Delle Vigne / Il conte Ugolino