Guest Stars Catrin Striebeck as Sandra Jansen Franz Hagn as Leon Franke Edin Hasanovic as Thorsten Siebert Jörg Pintsch as Thomas Franke Aleksandar Jovanovic as Case Luise Bähr as Jennifer Kaminski Minh-Khai Phan-Thi as Vu Mai-Ly Alexander Radszun as Rolf Wankura John Keogh as John Sullivan Lamou Vissay as Quang Jonathan Failla as Marc Boland Ercan Karacay as Dr. Ardal Ünal Jean-Christophe Nigon as Judge Jacques Poiret Ken Duong as Hoang Yung Ngo as Van Ralph Kretschmar as BND-Technician Schmidt Derek Meisenburg as Brennan Cassidy Anna Baranowska as Valerie Poiret Jaime Ferkic as Djemal Fillon Justine del Corte as Pediatrician Dr. Erhardt Long Dang Ngoc as Ngo Anna-Maria Hannoschöck-Merkle as Gynecologist Anand Batbileg Chuluunbataar as Vietnamese Boy Julia Titze as Nurse Pediatric Ward Maria Raisch as Hospital Telephone Operator Oliver Gabbert as Junkie