S Kalyaan Director, Writer Santhanam Kathir Actor Radhika Preethi Devi Actor R. Sundarrajan Nathamuni Thevan Actor K.S. Ravikumar Lord Yama Dharma Raja Actor Sangeetha Manja Kili Actor Anandaraj Gopal Actor Aadukalam Naren Kathir and Manja Kili's Father Actor Munishkanth Chitragupta Actor Redin Kingsley Vichitraguota Actor Mansoor Ali Khan Diamond thief Actor Manobala Parameshwaran (Paramu) Actor K.E. Gnanavelraja Producer A.G. Raja Executive Producer Kalyaan Screenwriter Jacob Rathinaraj Cinematographer M.S. Bharathi Film Editing Ghibran Original Music A.R. Mohan Art Director