Claim: Kangana Ranaut acts.

Once Upon a Time in Mumbaai is a 2010 Indian gangster thriller film directed by Milan Luthria and produced by Ekta Kapoor . It stars Ajay Devgan , Emraan Hashmi , Kangana Ranaut , Prachi Desai and Randeep Hooda . The film is produced under Balaji Motion Pictures and released on 30 July 2010 . Once Upon A Time in Mumbaai received generally positive reviews from critics and was a box office success .   Its sequel , Once Upon ay Time in Mumbai Dobaara ! was released on 15 August 2013 . It featured Akshay Kumar replacing Hashmi from the first film alongside Imran Khan . The filming for the sequel began in August 2012 apparently in Qatar . The sequel received negative reviews from both critics and audiences and performed poorly at the box office .