Actor Hari Krishnan, better known to kollywood audience as Madras Johnny thanks to his character in the superhit Karthi - Catherine Tresa starrer directed by Pa Ranjith, has been key part of the director's films.

Hari Krishnan had acted in Attakathi, Kabali etc in Pa Ranjith direction and Besides had also acted in small roles in movies like Ivan Thanthiran, Sandakozhi 2, Darling 2 and Pariyerum Perumal and has now turned hero.

While his next , a road flick named Siragu directed by Kutty Revathy is ready for release, he has signed his next as hero. This movie which begins shooting in July will be directed by debutant Baskar Saamy, an associate of Vetrimaran and will be produced by Pa Ranjith's Neelam productions.