Christopher Reeve's children and the film's directors talk about the actor and advocate 20 years after his death.

The story of Christopher Reeve is an astonishing rise from unknown actor to iconic movie star, and his definitive portrayal of Clark Kent/Superman set the benchmark for the superh

It matters to show that it was hard sometimes but that there was overwhelming joy at the same time,” Alexandra Reeve said during the Q&A following the Sundance screening, as the Deseret News previously reported.