![](https://cdn.images.express.co.uk/img/dynamic/36/590x/1677251_1.jpg)
Back to the Future began shooting with Eric Stoltz as Marty McFly before he was fired and replaced by Michael J Fox. Jennifer Parker star Claudia Wells has shared her memories of working with the original star and how she was totally "shocked" on her first day on set, in an exclusive interview with Express.co.uk.