Jeremy McWilliams: Jeremy McWilliams. Actor: Under the Skin. In 2014 Jeremy McWilliams is a test rider for KTM He started competitive racing at a relatively late age, beginning at 24 and making his Grand Prix debut at 29 in Australia in 1993 aboard a 500cc machine. He switched between 250cc and 500cc for the next 8 years, joining the Proton KR MotoGP team in 2002 for two seasons. He rode with Aprilia...