Here's the Official Trailer of "BLACKMAIL", Starring GV Prakash Kumar, Teju Ashwini, Srikanth, Bindu Madhavi & Others Music by Sam CS, Written & Directed by Mu Maran. Cast: Gv Prakash Kumar, Teju ashwini, Srikanth, Bindu Madhavi,Vettai muthukumar,Ramesh Thilak,Linga, Redinnkingsly,Tamil Shaji,Haripriya Girija Hari Written & Directed by Mu Maran Produced by Deivakani Amalraj Jayakkodi Amalraj Presents Executive Producer : Dhayalan palani Music: Sam CS Director of Photography: Gokul Benoy Editor: San Lokesh Art Director: SJ Ram Stunt Master: Rajasekar Choreography: Baba Bhaskar & Sai Bharathi Lyrics: Sam CS, Eknath & Karthik Netha Costume Designer: R Thilakapriya Shanmugam & Vinod Sundar Sound Mix: Aravind Menon Sound Design: Sync Cinema VFX Producer: Vibin (Effects & Logics) DI: Prasath Somasekar (Knack Studios) Stills: Raja Publicity Designer: Amudhan Priyan PRO: Suresh Chandra Production Controller: Ramachandran Subtitles: Kambam Sankar Promotions : Media Boy Digital PR : Ahmed Asjad