Guest Stars Rolf Kanies as Stefan Tremmel Annika Ernst as Elena Lange Haley Louise Jones as Kirsten Maybach Paul Bohse as Leon Lange Yung Ngo as Dr. Lee Kwon Angela Roy as Prof. Constanze Winterberg Hubertus Hartmann as Prof. Dr. Oliver Kohaupt Steffen Reuber as Kommissar Christian Maria Goebel as Enno Behnken Sabrina White as Carola Tremmel Felix Lampert as Security Mann Bela B as Martin Stuede Panagiota Dimareli as Mirka Kopouroukis Thomas Kautenburger as Tim Vogel Daniela Galbo as Studentin
