Grey's Anatomy Season 10 Episode 7
Thriller
Costumed patients create a challenge for the doctors; Derek and Ben work on a new surgical technique; Richard asks a resident to perform his next surgery, angering Bailey.
Guest Stars
Jason George
Ben Warren
Laya DeLeon Hayes
Taryn Davis
Teresa Huang
Nurse Ruth
Grace Rowe
Paramedic Grace
Kate Mines
Nurse Gloria