Director : Shaji Kailas Lyrics: Kaithapram Music: Deepak Dev Story, Script and Dialogue: A.K. Sajan Cast: Mammootty, Thilakan, Manoj K. Jayan, Sai Kumar, Suraj Venjaramood, Bala, Vijaya Kumar, Irshaad, Kollam Thulasi, Kaniha, Navya Nair, Swetha Vijay Mammooty plays the lead role in Shaji Kailas's Drona. Scripted by AK Sajan, his first script for Mammootty. Mammotty plays the role of a brilliant Brahmin mathematician and astrologer in the film. Also well versed in architecture and vastu. Mammotty's prophecies come true, leading to some atrocities which adds the thrills.