Filmmaker Fritz Lang seeks inspiration for his first sound film by immersing himself in the case of serial killer Peter Kürten.
Heino Ferch
as Fritz Lang
Samuel Finzi
as Peter Kürten
Johanna Gastdorf
as Thea von Harbou
Michael Mendl
as Anton Lang / Kürtens Vater
Thomas Thieme
as Ernst Gennat
Maximilian von Pufendorf
as junger Fritz Lang
Lisa Charlotte Friederich
as Lisa Lang
Lena Münchow
as Thea von Harbou (jung)
Alice Gruia
as Maria Hahn
Philipp Baltus
as Seymour Nebenzal
Rainer Galke
as Ernst Genant jung
Jens Kipper
as Kriminalassistent Müller
