 "Lust, Caution" was produced on a budget of approximately $15 million.In Hong Kong, where it played in its entirety, "Lust, Caution" grossed US$6,249,342 (approximately $48 million HKD) despite being saddled with a restrictive "Category III" rating.It was the territory's biggest-grossing Chinese language film of the year, and third biggest overall (behind only "Spider-Man 3" and "Harry Potter and the Order of the Phoenix").