When Charlie accesses his stash of cash and weapons from the air conditioning vent in his house, he holds one of the pistols and looks upon it fondly before putting it back. It was a Walther PPK - James Bond's gun of choice. Pierce Brosnan (Charlie) played James Bond from 1995 to 2002.
James Caan in his final film performance, was actually in a wheelchair and on oxygen throughout the filming as he was suffering from late-stage COPD and cardiac failure.
Final film of James Caan.
When Charlie is about to kill Benny at the club. There are cabinets with numbers on it. Charlie is in front of No. 7. Pierce Brosnan played James Bond from 1995 to 2002 whose code number is 007.
In the scene where Charlie is going to the bus station, the driving route has many turns but they are still traveling on St Charles Avenue throughout the scene.