Tamil actors led by Nadigar Sangam chief Sarath Kumar, organised a one-day fast at the actors association premises in Chennai.
Superstar Rajinikanth too, joined the hunger strike in a show of solidarity with Lankan Tamils.
Prakash Raj tweeted: "Participating in the hunger strike organised by actors association against the atrocities in Sri Lanka. Support us."
As the temprature touched 32 degrees in Chennai, the stars protested under a large shamiana. The actors present were Rajinikanth, Ajith, Suriya, Dhanush, Karthi, Prakash Raj, Prabhu, Sathyaraj, Sivakumar, Vishal, Arya, Udhayanidhi Stalin and Jiiva among many others.
Here are pictures of the stars at the site of the hunger strike.