A behind-the-scenes video of filmmaker Anurag Kashyap's upcoming film 'Raman Raghav 2.0' showing the two main characters has been released. While Nawazuddin Siddiqui plays the serial killer 'Raman', Vicky Kaushal has essayed the role of a cop. "The character has a lot of layers," said Siddiqui about his role. The film is scheduled to release on June 24.