In the Hawaii Five-0 episode “Ahuwale ka nane huna (The Answer to the Riddle is Seen),” MI-6 agent Harry Langford (guest star Chris Vance) returns. He convinces McGarrett (Alex O’Loughlin) and Danny (Scott Caan) to help him track down Lady Sophie (Alana Boden, I Am Elizabeth Smart). The teenage British royal has run away while under Harry’s protection.
Lady Sophie’s mother, Lady Helen, is portrayed by Kate Beahan. The Australian-born actress is known for her roles on Lucifer (Justine Doble), Law & Order True Crime (Diane Sawyer), Devious Maids (Fiona Gladhart), Mistresses (miranda), and in the 2006 film The Wicker Man with Nicolas Cage (Sister Willow Woodward), among others. Hawaii Five-0 airs Fridays at 9pm on CBS, right after MacGyver.