 it was essentially an interior shot with the two guys coming in  from the street), Ricardo Mamood and Hardia Madden were also taken  by surprised since they thought Jeff Marchelletta and Charles Kim  (actors who played LAPD cops in the film and had a patrol car as  well) were just pulling over. The real cops jumped out of the car  and pulled their guns out, one over the hood of the car and the  other taking cover behind the cars passenger door, pointing and  screaming at Mamood and Madden to drop the guns and put their hands  up. Mamood slowly dropped the gun to the floor and as he looked up  he saw Madden with his hands up but still holding the gun. At that  point, Jeff Markey, the director, stormed out from the diner, among  other crew members, screaming at the cops "Dont shoot! Dont shoot!  Its a movie, dont shoot!" After all tension subsided the cops said  there one micron away to shooting the guys down. The cops left and  they resumed filming with an extra dose of adrenaline.