The famed filmmaker revealed that his movie exploring the life of atomic bomb creator J Robert Oppenheimer, featured a gruesome cameo by one of his nearest and dearest.
Explaining that his daughter Flora stepped up to take on the role of a girl whose face becomes damaged during an explosion that plays out in the main character’s mind, Christopher said the idea came to him while his wife and offspring were visiting him on set.
The creative’s wife and producer Emma Thomas and their daughter came to have a look around the production sets while the film was still being made.
Christopher told the Telegraph: ‘We needed someone to do that small part of a somewhat experimental and spontaneous sequence.
‘So it was wonderful to just have her sort of roll with it.’
Acknowledging it was a strange casting choice to have his own child play out such a grisly scene, the star admitted: ‘Truthfully, I try not to analyse my own intentions.
‘But the point is that if you create the ultimate destructive power it will also destroy those who are near and dear to you.
‘I suppose this was my way of expressing that in what, to me, were the strongest possible terms.’
The highly anticipated film stars Cillian Murphy in the titular role and includes appearances from Emily Blunt, Matt Damon, Robert Downey Jr and Florence Pugh.
Christopher’s comments came after the stars of the flick staged a walk-out from the London premiere to ‘write their picket signs’ ahead of the Sag-Aftra strike announcement on Thursday evening.
The premiere of Christopher’s historical epic was brought forward by an hour ahead of a Sag-Aftra press conference in Los Angeles, which later declared the US union had agreed to strike.
The anticipated announcement cast a shadow over the London film premiere at the Odeon Luxe in Leicester Square, with the film’s major stars leaving before the screening of the film.
Speaking on the red carpet, Cillian told PA: ‘I stand by my colleagues, that’s all I can say to you.’
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