Udhayanidhi Stalin. Udhayanidhi Stalin was 36 in Idhu Kathirvelan Kadhal as 'Kathirvelan'.
Chaya Singh. Chaya Singh was 32 in Idhu Kathirvelan Kadhal as 'Vineethra Shanmugam'.
Saranya Ponvannan. Saranya Ponvannan was 43 in Idhu Kathirvelan Kadhal as 'Yasothammal'.
Vanitha Krishnachandran. Vanitha Krishnachandran was >> in Idhu Kathirvelan Kadhal as 'Pavithra's mother'.
Mayilsamy. Mayilsamy was 48 in Idhu Kathirvelan Kadhal as 'Pala Kural Mannan Balaraman'.
Jayaprakash. Jayaprakash was 56 in Idhu Kathirvelan Kadhal as 'Mahalingam, Pavithra's father'.
Aadukalam Naren. Aadukalam Naren was 44 in Idhu Kathirvelan Kadhal as 'Kathirvelan's father'.
Aadukalam Murugadoss. Aadukalam Murugadoss was 33 in Idhu Kathirvelan Kadhal as 'Kathirvelan's friend'.
S. R. Prabhakaran. S. R. Prabhakaran was >> in Idhu Kathirvelan Kadhal as 'Director, Writer'Udhayanidhi Stalin. Udhayanidhi Stalin was 36 in Idhu Kathirvelan Kadhal as 'Producer'
M. Shenbaga Moorthy. M. Shenbaga Moorthy was >> in Idhu Kathirvelan Kadhal as 'Co-Producer'R. Arjun Durai. R. Arjun Durai was >> in Idhu Kathirvelan Kadhal as 'Co-Producer'
Harris Jayaraj. Harris Jayaraj was 39 in Idhu Kathirvelan Kadhal as 'Music'Balasubramaniem. Balasubramaniem was 47 in Idhu Kathirvelan Kadhal as 'Cinematography'
Nayanthara
Santhanam
Sunder Ramu
Bharath Reddy