The passports of both Jonathan and Wyatt, which are presented to the bank employee in Spain, show an identical date of birth.
Both show the D.O.B. as Feb 23, 1974.
Michelle Williams and Natasha Henstridge previously appeared in Especies (1995), where they played younger and older versions of the same character.
Earlier titles of the film included "The List" and "The Tourist".
Had a seven-week shoot.
Despite the fact that this was filmed in high-definition video and Super 35, "Filmed in Panavision" is shown in the end credits.