Grey’s Anatomy Season 5 Episode 17
Overview
Derek decides to quit after learning that more of his patients have died than survived; Izzie’s interns make an unsettling discovery about “Patient X.”
Director: Rob Corn
Guest Star: Amrapali Ambegaokar, B.K. Cannon, Brandon Scott, Candice Afia, Erin Cahill, Gloria Garayua, Jessica Capshaw, Joe Williamson, Loretta Devine, Marcus McGee, Mark Saul, Michael Rady, Molly Kidder, Nicole Rubio, Phil Abrams, Susane Lee, Tymberlee Hill, Wendy Hoopes, Winston Story