Actor Korum Ellis performed all action sequences with a torn MCL (knee ligament), which severely restricted his movement and kicking.
Actor Adam T Perkins was unaware of an impending appendicitis during the final fight scene.
Filming was stopped abruptly one night after actor and stuntman Jason Britza suffered a blow to the nose during a fight scene and was taken to hospital to glue his split nose. The cut and bruising assisted in the authenticity of his make up.
The movie was originally set to take place in forest locations but was rewritten for an inner city building location.
At the time of filming, Soa 'The Hulk' Palelei, who plays the Zombie Ninja Boss was ranked in the top 15 of the UFC heavyweight division.