Instead, he will apparently be ‘would play some sort of a right hand to the head of Cruise’s unit’. Alec Baldwin had the head role in the last film, but its not been announced whether he will return. It also leaves open the possibility that Cavill may actually turn out to be a bad guy.
Vanessa Kirby was recently announced as one of Tom Cruise’s co-stars in the movie, with the likes of Rebecca Ferguson, Simon Pegg, and Jeremy Renner also expected to return in some capacity. The movie is due to start shooting soon, for release July 2018.