When asked in an interview what it was like working with Michael T. Wiess, Andrea Parker was forced to admit that she barely knew him. Due to the premise of the series, Miss Parker chasing Jarod and Jarod always being one step ahead of her, their adult characters only appear in scenes together in eight episodes - besides as children In flashback sequences. Their characters later appear together in scenes in both the movies.
At a point of the series, Miss Parker and Broots stand trapped in an elevator of The Centre, where Broots realizes about some shot holes in the rooftop, made when Miss Parker's mother was assassinated decades ago. It is based in the failed coup d'etat happened in February 23, 1981, in Spain (commonly known as "23F"), when Antonio Tejero, in those times lieutenant colonel of Civil Guard, attempted to topple King Juan Carlos I to cancel the democracy and return the country to the dictatorship (missed after General Franco's death in 1975). Tejero shot some times against the rooftop of the Congreso de los Diputados (Congress of Deputies) where the coup d'etat happened. The bullets remained there on purpose as a remember of the event until September 11, 2013, when a renovations accidentally removed them.