Guest Stars Chipo Chung as Michaela Moyone Bettina Hoppe as Jenny Gruber Clare-Hope Ashitey as Agent Lenora Bright Mona Vojacek Koper as Agent Iona Frost Joachim Foerster as Stefan, Cleaner Reiner Schöne as Professor Louis Freeman Michel Diercks as Jimmy Wangel Thilo Prothmann as Otto, Cleaner Joshua Spriggs as Conspiracy Theorist Rankin Duffy as Pupil in Classroom Holly Horne as Connie Caldera