The Slumdog Millionaire star has confirmed that he will be appearing in the film alongside Tom Cruise, NDTV has reported.
He told the site: "At this point I can only say that have been contacted for Mission: Impossible 4 and I have said yes for the role."
Brad Bird, director of The Incredibles, will be helming the follow-up, which is expected to hit cinemas at the end of 2011.
Other stars who will be reprising their roles include Simon Pegg, while Lost creator J.J.Abrams will be producing.
