Grey's Anatomy 15x21 Details & Storyline

 Image: ABC

Episode Title: "Good Shepherd"

Synopsis & Story-line:  Amelia and Link travel to New York to operate on a patient with a severe spinal deformity, but they’re in for more than they bargained for when Nancy Shepherd invites them to dinner at her home.

Original airdate: Thursday, April 11 (8:00-9:01 p.m. EDT), on The ABC.

Regular staring:
Ellen Pompeo as Meredith Grey,
Justin Chambers as Alex Karev,
Chandra Wilson as Miranda Bailey,
James Pickens Jr. as Richard Webber,
Kevin McKidd as Owen Hunt,
Jesse Williams as Jackson Avery,
Caterina Scorsone as Amelia Shepherd,
Camilla Luddington as Jo Wilson,
Kelly McCreary as Maggie Pierce,
Kim Raver as Teddy Altman,
Giacomo Gianniotti as Andrew DeLuca.

Guest starring:
Chris Carmack as Atticus “Link” Lincoln,
Embeth Davidtz as Nancy Shepherd,
Amy Acker as Kathleen Shepherd,
Tyne Daly as Carolyn Shepherd.

Source: ABC Press.