son of Aasaan Gowtham Sundararajan as Valarinathan, son of Aasaan SivaShree as child Parvathy (Anwar's sister's daughter) Vijayasarathy as Tv9 Channel Cameraman Balu Sri Priya Mahalakshmi as Doctor Vidhya Revathi Sankaran as Servant in Anwar's house Rajasekhar as GK Vincent Roy as Kolappan Raji as Charulatha Madurai Rajamani as vidhya's father Nithya Ravindran as vidhya's sister Edhuvum Nadakkum Sureshwar as Naadi Muthu Mohan Vaidya as Nataraj (a) Natti Poovilangu Mohan as Moopar Devadarshini as Varsha Ponvannan as forest officer Sadasivam. Subhalekha Sudhakar as Rangachari Shyalaja Chetlur as Vetha, Rangachari's wife Vijayasarathy as Siddharth student of the wildlife filmmaker Natarajan Ramachandran as Irusan Samuthirakani as a tribal (Episode 1) TKS Chandiran as one of the vaanathu manidhargal Sadasivam as one of the vaanathu manidhargal Sreenivasan as one of the vaanathu manidhargal Muthu Subramaniam as one of the vaanathu manidhargal Benjamin as Forester Govindan Kavi as Sadasivam's daughter Production Naga, who earlier worked as cinematographer for serials directed by K. Balachander made his directorial debut with this series. Naga cited it was Balachander's son Kailasam who wanted him to direct when he initially assumed that he was roped in to handle cinematography. Ragasiyam Makers adapted the book Ragasiyamaga Oru Ragasiyam written by Indira for their first season Ragasiyam. Since the content was not enough for more than 26 episodes, Naga wrote additional 26 episodes with him writing urban part adding lorry as a main character. For the characters, Naga cast many popular actors in different characters which according to him, "made the audience more aware of each character's presence in the show". Delhi Ganesh who usually portrayed a cook in films appeared as high-profile psychiatrist while Subalekha Sudhakar who usually portrayed sacrificing brother was roped in to play a village gangster. Vidathu Karuppu For Vidathu Karuppu, Naga adapted Indira's other book Vittu Vidu Karuppa which according to writer Indira was germinated from a real-life event where the dreaded gangster who was feared by everyone had the fear and respect for deity Karuppana Samy. Naga cast different actors for Vidathu Karuppu since "the audience has to decipher everyone's character based on their background story." Chetan was cast as Rajendran based on his "features and soft-spoken nature". Devadarshini was chosen to play important character after Naga saw her anchoring in a television show. Naga revealed that "each actor's first half of the face (from the forehead to the nose) or the second half (from