Guest Stars Haley Louise Jones as Kirsten Maybach Rolf Kanies as Stefan Tremmel Annika Ernst as Elena Lange Paul Bohse as Leon Lange Yung Ngo as Dr. Lee Kwon Axel Stein as Thomas Müller Patrizia Carlucci as Luna Burrini Michele Cuciuffo as Carlo Secchino Gioele Viola as Luciano Burrini Benjamin Grüter as BKA Beamter Knöbel