‘Technically, I did my first film when I was two,” says Elle Fanning, which, at 26, makes her a youthful old-timer, already more than two decades into a hugely successful acting career. The cliché of the child star is that they will, inevitably, go off the rails at some point, unable to cope with a demanding adult-oriented entertainment business that places its leading lights on a distant and unreachable pedestal, leaving them with no concept of real life and no solid framework to prop them up. But there are other, less headline-worthy outcomes for performers who have been at it for their whole lives. Some child stars, particularly those who seem to be thriving, may be more like professional athletes, singular in their ambitions, trained and focused, more than content to remain within the industry that has raised them.