Billy was the best, ... When the kids were getting tired, and the intensity wasn't there, Bill would get in their faces and say 'Look, bring your A game.' He lit a fire under people.
The challenge was to find kids who could play the sport at a very high level and who were born with the acting gene but didn't know it. It was a very long process. We saw almost 4,000 kids.
I wanted a dramatization of the sport, and I didn't think that could be executed at the level I wanted with actors,