An image from Streng vertraulich oder Die innere Verfassung, one of the productions that also features Klaus Wischnewski.
Klaus Wischnewski
December 11, 1928 — Kolberg, Prussia, Germany [now Kołobrzeg, Poland]
Klaus Wischnewski, pseudonym Peter Ahrens, was a German dramaturge, chief dramaturge at the DEFA feature film studio in the GDR, screenwriter, and film critic.