R. Neelakantan started acting in school dramas from school days, continuing through his college days at Vivekananda College. He along with Ambi (Cho Ramaswamys brother) and Narayanasamy started Viveka Fine Arts. He acted in plays like Muhammad bin Tughluq, Endru Thaniyum Indha Sudandira Dhaagam, Quo Vadis, Unmayae Un Vilai Enna?, Yarukkum Vetkamillai. In 1966 he made his film début Aayiram Poi directed by Muktha Srinivasan. He has acted in plays
Naangal
⭐ 0Arangetram
⭐ 4.5Chinnappadass
⭐ 0Kaaviya Thalaivan
⭐ 0Priyamaana Thozhi
⭐ 6.4Sila Nerangalil Sila Manithargal
⭐ 6.8Panchatanthiram
⭐ 7.1Trisha Illana Nayanthara
⭐ 5.3Amma Ponnu
⭐ 0Muhammad bin Tughluq
⭐ 9Avvai Shanmugi
⭐ 7Anniyan
⭐ 7.4Kalyana Samayal Saadham
⭐ 6.8Dheena
⭐ 5.8Jerry
⭐ 0Anbanavan Asaradhavan Adangadhavan
⭐ 5.5Rendu
⭐ 3.667Aayiram Poi
⭐ 0Nootrukku Nooru
⭐ 6Vetri Vinayagar
⭐ 0Janatha Nagar Colony
⭐ 0Pammal K. Sambandam
⭐ 6.5Gauravam
⭐ 6.7Velum Mayilum Thunai
⭐ 5Kadhala Kadhala
⭐ 6.9Suryavamsam
⭐ 7.1Kaliyuga Kannan
⭐ 0Pudhiya Mannargal
⭐ 0Cinema Paithiyam
⭐ 0Then Sindhudhe Vaanam
⭐ 0Sathyam
⭐ 0Pala Parikshai
⭐ 0Kathanayagan
⭐ 10