The overhead shot of Xander Thompson's (played by Chaz Mena) workplace, as can be seen right before he signs the contract for Sam and Jesse, is actually the University of Tromsø in Norway.
Fiona's CIA asset contract states that her birthday is February 4, 1969. Gabrielle Anwar's birthday is February 4, 1970. The contract lists her languages spoken as English, Gaelic, and Munster Irish, but makes not mention of Spanish or French, which she speaks or translates routinely.