Red-haired actresses: Bree Turner, Jillian Bach.
When Jane arrives at the crime scene, he says that Porchetto is a common surname in Argentina. He knows this because he reads the phone book. In fact there is a very important musician born in the province of Buenos Aires called Raul Porchetto.
When Jane tells Lisbon, "You're very good, Grasshopper", he is making reference to the 1970's TV series "Kung Fu."