Because production kept getting delayed, the shooting of Cung Le's fight scene overlapped with the actor's training for an upcoming MMA match. While filming, Jon Foo accidentally cut Le above his lip, but Le insisted they keep shooting so he could return to training as soon as possible. The blood seen on Le's face in his scene is real.
Despite no reference to the devil gene, Jin Kazama has the devil gene tattoo on his arm.
In 2011, the movie Tekken: Blood Vengeance was released in response to this live action. A film entirely in CGI, inserted between videogames Tekken 5 and Tekken 6 by the creators who were dissatisfied with this live action adaptation.
To play Jin Kazama, actor Jon Foo underwent a strict diet, training weekly to burn fat, avoid exposing himself to the sun to lighten his skin and let his hair grow.