to be part of a conspiracy in MI9 (the League of Matahari), Mike Stern claimed it was her idea to kill the Security Minister. She later appears in "We Need to Talk About KORTEX" / "The Last Stand", when it is discovered she was framed by Mike Stern and Hamish, and is later reinstated in MI9. Hamish Campbell (Ex Head of MI9 Stationery / Head of MI9, KORPS agent, Series 7), played by Finn Den Hertog. When the MI High team are investigating the League of Matahari they find a ten-year-old video of Hamish speaking of his investigation into the League. Before his investigation he was known as one of MI9's best agents. Aneisha even mentions that he managed to outsmart the Russian Embassy using wool from his jumper. After the investigation he was stood down as an agent. The story was that he was permanently affected by a paranoia serum on a mission, tried to get into the League but was turned down and saw conspiracies everywhere (an effect of the serum). This turns out to be false after the MI High team discover the truth about the League. After the League of Matahari was disbanded a new Head of MI9 was needed. After Frank refuses the job, Aneisha puts Hamish forward as he was the only one who stood up to the League from the beginning. He gladly accepts the job and there becomes Chief Agent Officer. In "We Need to Talk About KORTEX" / "The Last Stand" he is revealed to be a KORPS agent and is arrested. Kenneth Armstrong Flatley (Saint Hopes/Saint Hearts Headmaster, Series 1–7), played by Chris Stanton. He is the Headmaster of Saint Hope's from Series 1–5 and of Saint Hearts from Series 6–7. He is unaware of the spying activities along with much else that happens in the school. He is the only character to appear in all 7 of the series. Hermione King (Saint Hopes/Saint Hearts Deputy Headmistress, Series 3–5, 7), played by Chanelle Owen. She is the Deputy Headmistress of Saint Hopes from Series 3–5 and of Saint Hearts in Series 7. She is unaware of the spying activities in either school. She often undermines Mr. Flatley and he seems to be afraid of her. The Mastermind (KORPS Super Villain, Series 6–7), voiced by Brian Cox (Series 6), Gavin Mitchell (Series 7). The Mastermind's consciousness was uploaded into a computer