Piece of My Heart

Grey's Anatomy

S04E13
E13
May 1, 2008 ★ 8.1 43 min

Overview

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.

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Top Cast

Ellen Pompeo

Ellen Pompeo

Meredith Grey
Chandra Wilson

Chandra Wilson

Miranda Bailey
Sandra Oh

Sandra Oh

Cristina Yang
Justin Chambers

Justin Chambers

Alex Karev
James Pickens Jr.

James Pickens Jr.

Richard Webber
Patrick Dempsey

Patrick Dempsey

Derek Shepherd
Katherine Heigl

Katherine Heigl

Izzie Stevens
Sara Ramirez

Sara Ramirez

Callie Torres
Eric Dane

Eric Dane

Mark Sloan
Chyler Leigh

Chyler Leigh

Lexie Grey
T. R. Knight

T. R. Knight

George O'Malley

Guest Stars

Kate Walsh

Kate Walsh

Addison Montgomery
Brooke Smith

Brooke Smith

Erica Hahn
Clea DuVall

Clea DuVall

Jennifer Robinson
Gloria Garayua

Gloria Garayua

Intern Graciella
Amy Madigan

Amy Madigan

Katharine Wyatt
Lauren Stamile

Lauren Stamile

Nurse Rose