Oliver Lyttelton has posted a second article on his visit to the 47 Ronin set at Pinewood Studio in June 2011 for The Playlist. In this piece he covers some of the gems he learned from his interviews with Keanu Reeves, Carl Rinsch, Hiroyuki Sanada, Tadanobu Asano, Kou Shibasaki, costume designer Penny Rose and weapons master Simon Atherton.
The article is here.