Number two in our Top 5 realest sex scenes has to belong to the infamous cult film Caligula, with Malcolm McDowell (of Clockwork Orange fame) starring.
Caligula (Italian: Caligola) is a erotic historical drama film focusing on the rise and fall of . as senators and noblemen, including ex-convicts, thieves and anarchists. Guccione cast Penthouse Pets as female extras in sexual scenes.
Messalina+Roman+Empress | Helen Mirren in a scene from Caligula. Mirren Reveals Her Favorite Nude Scenes Were for Caligula: 'Everyone Was Naked'.