Cillian Murphy has shared his film pick that he thinks would make the best Christopher Nolan double bill with Oppenheimer.The actor plays J. Robert Oppenheimer in Christopher Nolan’s new biographical epic about the creation of the atomic bomb, which recently passed $500million (£392m) at the global box office, making it the most successful WW2 film ever.The film was involved in a highly publicised box office battle and social media face off with Barbie, which came out on the same day, leading the unofficial double bill feature to be dubbed ‘Barbenheimer’.In an interview with The Independent, Murphy said he was going to see Barbie, but also picked his ideal Christopher Nolandouble bill with Oppenheimer, which would come down to “two options”.“You could go Interstellar, which is very… explores similar scientific, physic themes,” he said.