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
⭐ 6.357Sila Nerangalil Sila Manithargal
⭐ 6.8Panchatanthiram
⭐ 7.1Trisha Illana Nayanthara
⭐ 5.3Kadhala Kadhala
⭐ 6.9Janatha Nagar Colony
⭐ 0Muhammad bin Tughluq
⭐ 9Nootrukku Nooru
⭐ 6Gauravam
⭐ 6.7Avvai Shanmugi
⭐ 7.036Suryavamsam
⭐ 7.1Dheena
⭐ 5.8Pammal K. Sambandam
⭐ 6.5Anniyan
⭐ 7.4Rendu
⭐ 3.667Jerry
⭐ 0Kalyana Samayal Saadham
⭐ 6.8Anbanavan Asaradhavan Adangadhavan
⭐ 5.5Aayiram Poi
⭐ 0Velum Mayilum Thunai
⭐ 5Amma Ponnu
⭐ 0Vetri Vinayagar
⭐ 0Kaliyuga Kannan
⭐ 0Pudhiya Mannargal
⭐ 0Cinema Paithiyam
⭐ 0Then Sindhudhe Vaanam
⭐ 0Sathyam
⭐ 0Pala Parikshai
⭐ 0Kathanayagan
⭐ 10