'Gran Turismo' Exclusive: Jann Mardenborough Shares Story Of Going From Adrenaline Seeker To Professional Racecar Driver In New Clip

Sony Pictures' new film Gran Turismo is based on the real-life story of Jann Mardenborough, “whose gaming skills won a series of Nissan competitions to become an actual professional racecar driver.” Shadow and Act has an exclusive featurette with Mardenborough as he spotlights his "insane" life story.