Anachronisms: A radio tower appears in a flashback to Marcello's Rome boyhood in 1917.
Revealing mistakes: When young Marcello shoots up Lino's room, the squibs are clearly visible in the walls before they explode.
Continuity: When Manganiello is driving Marcello around, the windshield wipers are on in the close shots, but off on the long shots.
Revealing mistakes: When Manganiello and Marcello are talking in the kitchen of the restaurant, the swinging lamp slows, then obviously someone knocks it on two occasions to keep it swinging.