Athos: You go back and you tell the Cardinal we will continue to perform our sworn duty, which is to protect the King, and we will use every means within our power to fight him.
Rochefort: Bold words. I look forward to ramming them down your throat.
In the fight scene on the stairs near the end of the movie, the camera shot looks up and there is a security camera mounted up in the corner.
Paul McGann plays both Girard (the man out to revenge his sister's honor) and the Cardinal's Guard who is killed by D'Artagnan out by the city ruins.