The third instalment in the mega-budget Mummy saga has seen a number of big changes - a new director in the shape of Rob Cohen, a new leading lady in the shapely shape of Maria Bello and a new bad guy in the shady shape of Jet Li. We spoke to stars Brendan Fraser, Maria Bello, Michelle Yeoh and Jet Li about rebooting the franchise, their reasons for signing up and their hopes for a smash-hit success.