Detention Letter. Genre: Action, Crime, Thriller. Director: Mohamed Samy. Cast: Mohamed Ramadan, Dina El Sherbiny, Ahmad Rateb, Eyad Nassar, Sayed Ragab. Release Date: 2017-06-25. Runtime: 100 minutes. Rating: 5.2/10. Khaled, in a terrorist group believing he fights for God, tries stopping his brother Ahmad from joining. After Ahmad joins and dies in a group dispute, Khaled seeks revenge until police arrest him.