Bang Bang! is an Indian action comedy thriller film directed by Siddharth Anand and produced by Fox Star Studios.The film is an official remake of the Hollywood film Knight and Day and features Hrithik Roshan and Katrina Kaif in the lead roles performed by Tom Cruise and Cameron Diaz respectively in the original.The main antagonist of the film is Danny Denzongpa. The film was distributed and marketed by Fox Star Studios in collaboration with Fox International Productions worldwide.