Rags Martel also asked James McAvoy about Trance, a thriller directed by Danny Boyle that is due out at the end of this month, and about taking on the role of Macbeth in the West End.
The actor is currently starring in the Shakespearean tragedy at the Trafalgar Studios.
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He was allowed to leave the country despite being told to appear in court over an impromptu demonstration near the Kremlin.
They were struck by a train near Loughborough Junction in south London.
The 18-year-old victim has been left with potentially life-changing injuries.