The famous forensic phonetician Matthias Hegel is a luminary in his field. Even the slightest deviation in the sound of a voice is enough for him to distinguish truth from lies and thus convict criminals. But now the police consultant confesses to having committed a gruesome murder.
as Jula Ansorge
as Matthias Hegel
as Friedrich von Würzburg
as Elyas Ansorge
as Obdachlose
as Michaela Proehl
as Heiko
as Tuchmann
as Polizist
as Petra Kramer
as Struck
as Margot Conradi
as Gangster
as Dr. Gisela Verbelow
as Marcel Ernst
as Moritz Ansorge
as Paul Wagner
as Oswald Holder
as Peer Kalinsky
