When the bad guy looks at at the form giving the background information of Callen just above the picture it shows "Next of Kin" as Jason Tedrow. Jason Tedrow was Callen's alias in S01E12- Past Lives.
This is the Final appearance of Nia Long as Assistant director, Shay Mosley. She had to Resign the Show.
Max Martini played another character on Hawaii Five-0 (2010), which in the same fictional universe.