When Myka, transformed to catwalk model, comes down the stairs you can see a tattoo on her right ankle.
Joanne Kelly has this and it says 'Simply the thing I am shall make me live' - a quotation from "All's Well That Ends Well" - and a date '03 09 04'.
The establishing shot for Milan shows the triumphal arch entrance to the Galleria Vittorio Emanuele ll. That place was built in the 1870s as a shopping mall, the original mall in the modern style.
In the opening of the New York scene Pete references Star Wars: Episode VI - Return of the Jedi (1983): "No try, only do or do not.", the Words of Yoda. However, he quotes it incorrectly. The proper quote is, "Do, or do not. There is no try."
The Excalibur sword fight was filmed on the south patio of the Casa Loma in Toronto.
Claudia's ringtone is from Battlestar Galactica. Its a Cylon saying "By your command".