During the shooting of a jealousy scene on a soundstage, one actress is murdered. Due to the fact that the male star of the movie had a relation with the victim and the female star is now his fiance, he is suspected by the police.

Gerda Maurus
as Filmdiva

Ernst Stahl-Nachbaur
as Holzknecht, Kriminalrat

Harry Frank
as Hauptdarsteller

Ernst Behmer
as Kameraassistent

Paul Kemp
as Aufnahmeleiter

Alfred Beierle
as Moeller, Kriminalkommissar

Ilse Korseck
as Komparsin

Hertha von Walther
as Atelierbesucherin

Berthe Ostyn
as Saylor, Schauspielerin

Erwin Kalser
as Regisseur