In discussing the process with the actors, I made it clear to them that they could improvise but that the sum total of their improvisation needed to impart certain plot points, and schematic material.
“In the U.S., you have so many rules, everything's regulated and structured. When you make a mistake, you pay for it -a lot.”
“If you go too soon, you can come unstuck with 50m left when the guys are going past you.”