The woman exiting from the elevator following a mob of noisy children is referenced to by the hotel clerk as 'Baroness Von Essenbeck.' The Von Essenbecks are the wealthy industrialist family portrayed in 'La caduta degli dei.'
Five minutes in, a boy dressed like Björn Andrésen is ogled by a middle-aged man made up to look like Sir Dirk Bogarde, while the adagietto from Gustav Mahler's fifth plays.