Considered as the one of the first feature-length Turkish movies produced during the reign of the Ottoman Empire, Casus is about a spying adventure which took place in the First World War. The copy of the movie did not survive to the present day.

• Müdafaa-i Milliye Cemiyeti
• Bedia Muvahhit
• Elisa Binemeciyan
• Nureddin Şefkati
• Raşit Rıza Samako