<Ul> <Li> Michael O'Neill as Gary Clarke </Li> <Li> Mandy Moore as Mary Portman </Li> <Li> Nora Zehetner as Reed Adamson </Li> <Li> Robert Baker as Charles Percy </Li> <Li> Sarah Drew as April Kepner </Li> <Li> Jesse Williams as Jackson Avery </Li> </Ul> <Li> Michael O'Neill as Gary Clarke </Li> <Li> Mandy Moore as Mary Portman </Li> <Li> Nora Zehetner as Reed Adamson </Li>

Who dies in the hospital shooting in grey anatomy