He spoke to an industry audience in Edinburgh with producer Andrew Macdonald.
Speaking at Edinburgh International Film Festival, director Alex Garland revealed his favourite among the many projects he has worked on.
That being 2014’s Ex Machina, which the duo of Garland and Andrew Macdonald agreed came at the perfect time in their careers.
Garland said: « I enjoyed Ex Machina very much, it was an easy film to make.