McAvoy & McKellen in talks for star roles in Dam Busters? From Scots actor James McAvoy is in talks to star in the new US$100 million ($131 million) Dam Busters film, it was reported today. The Scottish actor, who is tipped for an Oscar for his role as Robbie Turner in Atonement, has met director Christian Rivers and producers David Frost and Peter Jackson, the Daily Mail newspaper reports. ..The film, which may also star Ian McKellen as scientist Barnes Wallis, will be shot in Wellington, using replica Lancaster bombers built in China.