The film tells the story of Murat and Helga, Turkish agents fighting against German spies during World War II. Helga's father, Alex, is a German spy who hates Turkey. Helga, who was born and raised in Turkey, does not share her father's views. After Alex's death, Murat, acting on orders from Turkish intelligence, is tasked with enlisting Helga to uncover the Germans' plans regarding Turkey. Helga is to marry Hans, who has taken Alex's place, thereby enabling her to learn the Germans' plans. The love between Helga and Murat will complicate this mission.
| Actor | Role |
|---|---|
 Emel SayınHelga | Helga |
 Kartal TibetMurat | Murat |
 Seyyal TanerNatasha | Natasha |
 Erden AlkanAlbay Hans | Albay Hans |
 Muazzez KurdoğluEva | Eva |
 Süleyman TuranAlbay Metin | Albay Metin |
 Aynur AydanMarlen | Marlen |
 Kayhan YıldızoğluAlex | Alex |
| RRefik Kemal ArdumanOtto Leander | Otto Leander |
| AAdnan AlkanNot listed | Not listed |
 Doğan BavliGustav Ober | Gustav Ober |
 Hasan CeylanNot listed | Not listed |
 Ali DemirDavetli | Davetli |
 Müfit KiperNot listed | Not listed |
 Hüseyin KutmanKomiser | Komiser |
 Mete SezerAlman General | Alman General |
 Tarık ŞimşekUşak | Uşak |
| NNikola SmokinNot listed | Not listed |
 Dinçer Çekmezİngiliz Ateşesi | İngiliz Ateşesi |
 Gülen KıpçakNot listed | Not listed |
 Kemal ErgüvençNot listed | Not listed |
 Jeyan Mahfi TözümEmel Sayın (voice) | Emel Sayın (voice) |
 Toron KaracaoğluKartal Tibet (voice) | Kartal Tibet (voice) |
| Gülen Kıpçak(voice) | (voice) |
| Kemal Ergüvenç(voice) | (voice) |