Mrs. Kornfelt's wine glasses get bigger throughout the film.
The scenes set in Nice, France were filmed over a period of seven days. Katherine Heigl admitted to being jet lagged for most of the time.
The make and model of the fast car that gentleman spy Spencer Aimes (Ashton Kutcher) is seen driving through the mountains south of France terrain at the start of this 2010 movie was a then new and recently released red 2009 Ferrari California convertible sports car.