‘Grey’s Anatomy’ Pair on Letting Go of Derek’s Legacy and a Finale of “Existential Cliffhangers”

[This story contains spoilers from the May 23 episode of Grey’s Anatomy, “I Carry Your Heart.”] Caterina Scorsone and Kevin McKidd may not have been part of the original cast of Grey’s Anatomy. But in the last 15 years, between Grey’s and its two spinoffs, Private Practice and Station 19, Scorsone and McKidd have both […]