The original premise was Frank Washington teaming up with Joe Marshall's daughter to stop the assassins. When Matt Hannon was discovered to be alive, the plot was tweaked and he was immediately cast as The Samurai Cop.
Only 25% of the original shooting script was filmed. The rest of the film was shot through improvisation and daily rewrites of the script. This was due to internal conflicts with the cast and production troubles.
When initially announced on Kickstarter in 2014, the producers announced Seymour Cassel, Eddie Deezen, Richard Harrison, George Lazenby, Stuart Whitman and Robert Z'Dar would be part of the cast. None of these actors were in the final film.