The CIA field office in LA is the same building used in Homecoming (2018) as the headquarters of the mysterious Geist company that Julia Roberts's character worked for
Will Kotov asks Cassie at the bar if she's a "friend of Bill's" when he learns she's having a non-alcoholic drink. This is a code for a member of Alcoholics Anonymous after its founder Bill Wilson
The CIA field office in LA was the same building used in Tough as Nails season 3, episode 3 where they had to move furniture into the building.