11May07 · 5:15 PM · Borat star Sacha Baron Cohen has dubbed the preparation for his role in Talladega Nights: The Ballad Of Ricky Bobby as “the worst experience” of his life. The comedian/actor, who plays Frenchman Jean Girard in the Will Ferrell-fronted movie, insists posing as a racing driver was a tough task - because the high speeds were frightening.