Guest Stars Johann von Bülow as Helmut Ingrid Tykhelle Kayser as Sigrid Sebastian Hülk as Thomas Christian Körner as Commander Herres Elli Müller Osborne as Sis Annika Olbrich as School Teacher Ella Lee as Marie Christoph Grunert as Security Expert Maximilian Pekrul as Staffer Anjorka Strechel as Computer Technician Nils Bru as Teacher