Second episode in a row to feature someone from "24". Reiko Aylesworth played Michelle Dessler on 24 and Henry's mom on the previous episode. Sarah Clarke played treasonous CTU agent Nina Myers on 24 and FBI agent Tess Monroe on this episode.
Upon meeting Gibbs, FBI Special Agent Tess Monroe says she was expecting Gibbs to "have fangs". Sarah Clarke, who plays Agent Monroe in this episode, was previously in the Twilight films as Renée Dwyer.