Vinodhini Vaidyanathan. Vinodhini Vaidyanathan was 36 in O Kadhal Kanmani as 'Saroja'.
Ramya Subramanian. Ramya Subramanian was 28 in O Kadhal Kanmani as 'Ananya'.
Sivakumar Ananth. Sivakumar Ananth was 40 in O Kadhal Kanmani as 'Vasudevan Varadarajan'.
Chandrika Chandran. Chandrika Chandran was >> in O Kadhal Kanmani as 'Ratna'.Baby Rakshana. Baby Rakshana was >> in O Kadhal Kanmani as 'Jaya Vasudevan'.
Kaniha. Kaniha was 32 in O Kadhal Kanmani as 'Woman at the clinic (Cameo Appearance)'.
Aarav Kizar. Aarav Kizar was >> in O Kadhal Kanmani as 'Adhi's co-worker'.
Mani Ratnam. Mani Ratnam was 58 in O Kadhal Kanmani as 'Story, Director, Producer, Screenplay'
P. C. Sreeram. P. C. Sreeram was 59 in O Kadhal Kanmani as 'Director of Photography'Tanveer Mir. Tanveer Mir was >> in O Kadhal Kanmani as 'Assistant Director of Photography'
Mala Manyan. Mala Manyan was >> in O Kadhal Kanmani as 'Executive Producer'Saravanan Madheswaran. Saravanan Madheswaran was >> in O Kadhal Kanmani as 'Assistant Editor'
A.R. Rahman. A.R. Rahman was 49 in O Kadhal Kanmani as 'Original Music Composer'
Jonita Gandhi. Jonita Gandhi was 25 in O Kadhal Kanmani as 'Playback Singer'
Nikhil Murugan. Nikhil Murugan was 48 in O Kadhal Kanmani as 'Public Relations'
Sharmishta Roy. Sharmishta Roy was >> in O Kadhal Kanmani as 'Production Design'
Sirivennela Seetharama Sastry. Sirivennela Seetharama Sastry was 59 in O Kadhal Kanmani as 'Lyricist'
Anand Krishnamoorthi. Anand Krishnamoorthi was >> in O Kadhal Kanmani as 'Sound Designer'Sudipto Mukhopadhyay. Sudipto Mukhopadhyay was >> in O Kadhal Kanmani as 'Sound Mixer'
Dulquer Salmaan
Nithya Menen
Prakash Raj
Leela Samson
Ashwin Kumar
Ciby Bhuvana Chandran
Sreekar Prasad
Brinda
Eka Lakhani
A. R. Ameen