This page of Tamil Cinema Bio gives a list of Tamil actors, their date of birth, and their current age.
Aadhi
Date of Birth: 14 December 1982
Age: 40
Abbas
Date of Birth: 21 May 1975
Age: 47
Atharva
Date of Birth: 07 May 1989
Age: 33
Ajith
Date of Birth: 01 May 1971
Age: 51