When Isaac has an inoperable tumor wrapped around his spine, he wants Derek to do the impossible. Derek tests the Chief's authority when Richard objects to moving forward with the risky surgery.
Ellen Pompeo
Meredith Grey
Chandra Wilson
Miranda Bailey
Sandra Oh
Cristina Yang
Justin Chambers
Alex Karev
James Pickens Jr.
Richard Webber
Patrick Dempsey
Derek Shepherd
Kevin McKidd
Owen Hunt
Katherine Heigl
Izzie Stevens
Kim Raver
Teddy Altman
Sara Ramirez
Callie Torres
Jesse Williams
Jackson Avery
Nora Zehetner
Reed Adamson
Mark Saul
Steve
Faran Tahir
Isaac
