Saswata Chatterjee
Saswata Chatterjee (শাশ্বত চ্যাটারজী) also known as Apu is a popular Bengali male actor of television and films based in Kolkata, India. Born to actor Subhendu Chatterjee, Chatterjee began his career with a Hindi serial directed by Saibal Mitra, based on Samaresh Majumdar's Kaalpurush. He gained popularity by portraying the character of Topshe in a Feluda-based television series directed by Sandip Ray. His acting in many Bengali films has been praised by the critics, including his portrayal of a Ritwik Ghatak-inspired character in the 2013 film Meghe Dhaka Tara. He enjoyed success at the national level in Sujoy Ghosh's 2012 blockbuster Hindi film, Kahaani, where he played a simple-looking creepy contract killer.Source : http://en.wikipedia.org/wiki/Saswata_Chatterjee & Google image.