İlker İnanoğlu. İlker İnanoğlu was 6 in The Boy Who Knew Too Much! as 'İlker 'Yumurcak''.
Filiz Akın. Filiz Akın was 29 in The Boy Who Knew Too Much! as 'İlker'in Annesi'.
Ekrem Bora. Ekrem Bora was 40 in The Boy Who Knew Too Much! as 'Katil'.
Bahar Erdeniz. Bahar Erdeniz was 21 in The Boy Who Knew Too Much! as 'Katilin ortağı'.
Kayhan Yıldızoğlu. Kayhan Yıldızoğlu was 38 in The Boy Who Knew Too Much! as 'Kurban'.
Hulusi Kentmen. Hulusi Kentmen was 60 in The Boy Who Knew Too Much! 
Necdet Tosun. Necdet Tosun was 45 in The Boy Who Knew Too Much! 
Suphi Tekniker. Suphi Tekniker was 32 in The Boy Who Knew Too Much! 
Guido Zurli. Guido Zurli was 43 in The Boy Who Knew Too Much! as 'Director'Hüseyin Karindoyuran. Hüseyin Karindoyuran was >> in The Boy Who Knew Too Much! as 'Director of Photography'
Türker İnanoğlu. Türker İnanoğlu was 35 in The Boy Who Knew Too Much! as 'Producer'Ennio Pellegrini. Ennio Pellegrini was >> in The Boy Who Knew Too Much! as 'Original Music Composer'