Gordon-Levitt's and Marion Cotillard's Batman roles unveiled

Joseph Gordon-Levitt and Marion Cotillard's roles in the new Batman film have been announced.

The actor is to play a Gotham City cop called John Blake who is handed a special assignment by the newly promoted Commissioner Gordon - played by Gary Oldman for the third time - while the actress is to portray Wayne Enterprises board member Miranda Tate in the highly-anticipated 'The Dark Knight Rises'.