Kamal Haasan as Avvai Shanmugi / Pandiyan

Meena as Janaki

Gemini Ganesan as Vishwanathan Iyer

Nagesh as Joseph

Manivannan as Mudaliyar

Nasaar as Basha

Delhi Ganesh as Sethuram Iyer

Heera Rajgopal as Rathna

Rani as Kousi

Baby Anne as Bharathi

Bayilvan Ranganathan as

Idichapuli Selvaraj as

Kavithalaya Krishnan as Lawyer

S. P. Balasubramaniam as Dr. Subbu

Raghuram as Self

Crazy Mohan as Interviewer

Ramesh Aravind as Self

R. Neelakantan as Judge

Vaiyapuri as Flower decorator

Ramesh Khanna as Film director

Kanal Kannan as Rogue

K. S. Ravikumar as Spectator

Uma Bharani as Janaki (voice)

Savitha Reddy as Rathna (voice)

Kovai Senthil as (Uncredited)

Peter Hein as Fighter (uncredited)