| Birthname: | Radha Krishnan Chidambaram |
| Birth Date: | 4 May 1959 |
| Birth Place: | Karaikudi, Tamil Nadu, India |
| Occupation: | Actor, Film producer,Businessman |
| Yearsactive: | 1989-2017 |
Radha Krishnan Chidambaram (born 3 February 1959), known professionally as R. K., is an Indian actor, film producer and businessman who appears in Tamil films.[1] He was predominantly involved in business before he broke into films, owning a real estate company called "Velcome City".[2]
After portraying small roles in films like Villu Pattukaran (1992), Poi (2006) and Thoondil (2008), he made his debut as lead actor with Ellam Avan Seyal (2008), remake of Malayalam movie titled Chintamani Kola Case.[3] The film received mixed reviews from critics and emerged as average grosser.[4] [5] He went on to do lead roles in films like Azhagar Malai (2009), En Vazhi Thani Vazhi (2014) and Vaigai Express (2017) which did not do well at box-office and in-between he also portrayed negative roles in films like Avan Ivan (2011), Jilla (2014) a guest appearance and Paayum Puli (2015).
| Year | Film | Role | Notes |
|---|---|---|---|
| 1989 | Vetri Vizha | Gang spy | |
| 1992 | Villu Pattukaran | Police inspector | |
| 1993 | Manikuyil | Muthuvelu's friend | |
| Thangakkili | |||
| 1994 | Sevatha Ponnu | Sulaimani's friend | |
| 1996 | Katta Panchayathu | Chidambaram | |
| 1997 | Nattupura Nayagan | Doctor | |
| 2006 | Poi | ||
| 2008 | Thoondil | Zoom | |
| Vaazhthukkal | Vetriselvan Selvanayagam | ||
| Ellam Avan Seyal | Laxman Krishna | ||
| 2009 | Manjal Veiyil | Rajesh | |
| Azhagar Malai | Pugazhendhi | ||
| 2011 | Avan Ivan | Cattle smuggler | |
| Puli Vesham | Muniyan | Also producer | |
| 2014 | Jilla | Mahalakshmi's father-in-law | |
| 2015 | En Vazhi Thani Vazhi | Vetriselvan | Also producer |
| Paayum Puli | Minister Singarasu | ||
| Pulan Visaranai 2 | Rakesh Khethan | ||
| 2017 | Vaigai Express | Sharafudeen Rahman | Also producer |