Fortunately, at her age, she had no idea who Redford was when she got the part to play his ‘daughter’.
To her, it was just another great opportunity and something ‘fun’ for her to do.
Be sure to check the credits for creative consultant Bill Ayers.
Of course she (Jackie Evancho) didn't. Her parents may have, but even if they did I don't blame them for letting her take this opportunity. Jackie will likely go on to bigger and better things in films. She already is a big success as a singer.