Tracing the remarkable life of Elvis Aaron Presley (Austin Butler) from his impoverished upbringing in Tupelo, Mississippi, through his glittering coronation as the King of Rock and Roll – stewarded by the opportunistic Colonel Tom Parker (Tom Hanks) through to his tragic death on a bathroom floor, aged only 42, was always going to be a huge endeavour.
‘It was a crazy beast,’ she says. ‘And I kind of underestimated the scale. But I think that it’s like having a baby. You don’t think about it too much, because if you did, you wouldn’t want to do it. You go, “Oh, that’s just too horrible”.’