Guest Stars David Zimmerschied as Robbie Köhler Shenja Lacher as Conrad Schmidt Bernd Hölscher as Jürgen Lisa Hofer as Laura Bozidar Kocevski as Deniz Marko Capor as Besim Jürgen Maurer as Florian Wilms Carina N. Wiese as Martina Harbach Seumas Sargent as Sam Marius Ahrendt as Polizei Karl Sven Gerhardt as Brenner Goran Kostic as Bogdan Ulrich Brandhoff as Herr Böttcher Julia Bremermann as Elke Höhne Peter René Lüdicke as Thilo Becker Kyra Sophia Kahre as Mara