Prasanna Venkatesan, known simply as Prasanna, is an Indian actor who primarily works in the Tamil film industry, though he has also acted in Telugu, Kannada, and Malayalam films. In 2002, he had his first big break with Mani Ratnam's film Five Star. He has also played supporting roles in addition to leading roles. His film Achchamundu! Achchamundu!, in which he co-starred with Sneha and American actor John Shea, was screened at a number of international film festivals, including Shanghai and Cairo.