Vittorio Mezzogiorno and Andrej Seweryn have worked together in Peter Brook's Mhahabharata, in leading roles.
The painting Lorenzo alluding to is Goya's "La maja desnuda".
The painting by Leonardo da Vinci is called "Madonna Litta".
The museum in the film is "Villa Farnese" which is located in Caprarola in the province of Viterbo in Lazio.
The sculpture in the museum is Bernini's "Apollo and Daphne".