13. Piece of My Heart (2008)
Addison visits Seattle Grace because they need skills that only she has. Rebecca/Ava returns with news for Alex. Meredith and Derek's clinical trial experiences one or two developments.
Release date: 2008-05-01
User rating:
7.8 / 10
12 votes
Season number: 4
Episode number: 13
Runtime: 43 minutes
Director: Mark Tinker
Writer: Stacy McKee
Guest stars
Kate Walsh
as Addison Montgomery
Brooke Smith
as Erica Hahn
Clea DuVall
as Jennifer Robinson
Elizabeth Reaser
as "Ava" Rebecca Pope
Gloria Garayua
as Intern Graciella
Amy Madigan
as Katharine Wyatt
Lauren Stamile
as Nurse Rose
Richard Keith
as Intern Mitch
Jason O'Mara
as Phillip Robinson
John O'Brien
as Lab Tech Jeffrey
Winston Story
as Intern Leo
Tymberlee Hill
as Intern Claire
Joy Osmanski
as Intern Lucy
Kathleen Rose Perkins
as Sarah
Ken Barnett
as Freddie
Sam Daly
as Will
Meg Cionni
as Nikki
Cast
Ellen Pompeo
as Meredith Grey
Chandra Wilson
as Miranda Bailey
Sandra Oh
as Cristina Yang
James Pickens Jr.
as Richard Webber
Katherine Heigl
as Izzie Stevens
Justin Chambers
as Alex Karev
T.R. Knight
as George O'Malley
Sara Ramirez
as Callie Torres
Patrick Dempsey
as Derek Shepherd
Eric Dane
as Mark Sloan
Chyler Leigh
as Lexie Grey
Rest of guest stars - click here to expand
Molly Kidder - Intern Megan