Q: Passage: "Death and All His Friends" is the season finale of the sixth season of the American television medical drama Grey's Anatomy, and the show's 126th episode overall. It was written by Shonda Rhimes and directed by Rob Corn. The episode was originally broadcast on the American Broadcasting Company (ABC) in the United States on May 20, 2010. The episode was the second part of the two-hour season six finale, the first being Sanctuary, and took place at the fictional Seattle Grace Hospital. The original episode broadcast in the United States had an audience of 16.13 million viewers and opened up to universal acclaim. The episode centers a shooting spree at the hospital by a former patient's husband Gary Clark (Michael O'Neill). The episode marked the last appearances for Nora Zehetner and Robert Baker as Dr. Reed Adamson and Dr. Charles Percy respectively as both the characters were killed in the shooting.

Question: Based on this passage, who died in the grey's anatomy shooting?
Let's give stream of consciousness below
The important part for answering this question is: The episode marked the last appearances for Nora Zehetner and Robert Baker as Dr. Reed Adamson and Dr. Charles Percy respectively as both the characters were killed in the shooting. So the answer is Nora Zehetner and Robert Baker as Dr. Reed Adamson and Dr. Charles Percy respectively.