Thuppakki (The Gun) is an upcoming Tamil investigation thriller film written and directed by A. R. Murugadoss. The film will star Vijay and Kajal Aggarwal in the lead roles along with Vidyut Jamwal, Jayaram, Sathyan, Gautham Kurup and Akshara Gowda in supporting roles. The story revolves around Vijay playing the role of a youngster from a Mumbai based Tamil family, Whilst Kajal Aggarwal also plays the role of a Mumbai based Tamilian. ​

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The film is produced by S. Thanu and it features background score and soundtrack composed by Harris Jayaraj with cinematography is handled by Santhosh Sivan, who with Thuppakki will introduce the Arri Alexa camera to Indian cinema. The film, which commenced production in December 2011 in Mumbai, is slated for a Diwali 2012 release. Thuppakki stands on the top spot amongst 30 most anticipated movies on a public poll conducted by Behindwoods.