There are quite a few memebrs of the film industry here on board, including Skruface I believe. They might be able to point you in the right direction, and confirm that you've taken all necessary precautions and conformed to procedure. 'Film Makers' are met with intense scrutiny on this board, as most real film makers (even independant and on a budget) get a master of arms to secure the props for them.
"He resisted. I asked him to comply."
"Telling him to 'eat it, bitch' is not really a request."