The cast list for The Expendables 2 is continuing to grow. The sequel to last year’s action adventure starts filming next month and a loose-lipped executive has let it slip that Chuck Norris and John Travolta have joined the action hero-heavy cast which includes Bruce Willis, Sylvester Stallone, Jet Li, Jason Statham and Jean-Claude van Damme. Cue a whole new round of Chuck Norris facts – for example did you know that when Chuck Norris crosses the road, cars look both ways….?