RajinikanthRajinikanth was 28 in Aarilirunthu Arubathu Varai as 'Santhanam'.
Fatafat JayalakshmiFatafat Jayalakshmi was 21 in Aarilirunthu Arubathu Varai as 'Lakshmi'.Cho RamaswamyCho Ramaswamy was >> in Aarilirunthu Arubathu Varai as 'Alagappan'.
Thengai SrinivasanThengai Srinivasan was 41 in Aarilirunthu Arubathu Varai as 'Santhanam's father'.Jaya GuhanathanJaya Guhanathan was >> in Aarilirunthu Arubathu Varai as 'Santhanam's sister'.T. K. BhagavathiT. K. Bhagavathi was 62 in Aarilirunthu Arubathu Varai as 'Santhanam's boss'.
Suruli RajanSuruli Rajan was 41 in Aarilirunthu Arubathu Varai as 'Naidu'.
LIC NarasimhanLIC Narasimhan was 39 in Aarilirunthu Arubathu Varai as 'Raghu'.
T. K. S. NatarajanT. K. S. Natarajan was 46 in Aarilirunthu Arubathu Varai as 'Seshadri'.Kalthoon ThilakKalthoon Thilak was 36 in Aarilirunthu Arubathu Varai 
S. P. MuthuramanS. P. Muthuraman was >> in Aarilirunthu Arubathu Varai as 'Director'BabuBabu was >> in Aarilirunthu Arubathu Varai as 'Director of Photography'Panchu ArunachalamPanchu Arunachalam was 38 in Aarilirunthu Arubathu Varai as 'Lyricist, Producer, Writer'Meena Panchu ArunachalamMeena Panchu Arunachalam was >> in Aarilirunthu Arubathu Varai as 'Producer'
IlaiyaraajaIlaiyaraaja was 36 in Aarilirunthu Arubathu Varai as 'Original Music Composer'