"We've all seen car chases a million times," notes Koepp, "but the consequences for car chases are dented fenders or smashed windshields and in movies it's certainly been explored fully. The thing about a bike is the slightest contact can kill you. So you feel it when you're watching the movie that the risk is much higher."
Director David Koepp on the set of Columbia Pictures' "Premium Rush," starring Joseph Gordon-Levitt. (Photo: Sarah Shatz)