Grey's Anatomy Piece of My Heart (Season 4, Episode 13)
TV-14
TV Episode | 60 min | Drama, Romance

Grey's Anatomy

Piece of My Heart (Season 4, Episode 13)

TV-14

TV Episode | 60 min | Drama, Romance

Addison is not prepared for all the changes that greet her upon her return to Seattle Grace for a specialized surgery, Meredith and Derek begin their clinical trial, Izzie feels left out, and Karev is confronted with an unexpected ...See moreAddison is not prepared for all the changes that greet her upon her return to Seattle Grace for a specialized surgery, Meredith and Derek begin their clinical trial, Izzie feels left out, and Karev is confronted with an unexpected announcement. Written by layle See less

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Cast	+ Add Cast
33 cast members

Name	Known for
Ellen Pompeo Dr. Meredith Grey Dr. Meredith Grey See fewer	Grey's Anatomy (2005)
Sandra Oh Dr. Cristina Yang Dr. Cristina Yang See fewer	Killing Eve (2018)
Katherine Heigl Dr. Izzie Stevens Dr. Izzie Stevens See fewer	One for the Money (2012)
Justin Chambers Dr. Alex Karev Dr. Alex Karev See fewer	Grey's Anatomy (2005)
T.R. Knight Dr. George O'Malley Dr. George O'Malley See fewer	The Flight Attendant (2020)
Chandra Wilson Dr. Miranda Bailey Dr. Miranda Bailey See fewer	Grey's Anatomy (2005)
James Pickens Jr. Dr. Richard Webber Dr. Richard Webber See fewer	Grey's Anatomy (2005)
Sara Ramirez Dr. Callie Torres Dr. Callie Torres See fewer	Grey's Anatomy (2005)
Eric Dane Dr. Mark Sloan Dr. Mark Sloan See fewer	X-Men: The Last Stand (2006)
Chyler Leigh Dr. Lexie Grey Dr. Lexie Grey See fewer	Not Another Teen Movie (2001)
Brooke Smith Dr. Erica Hahn Dr. Erica Hahn See fewer	The Silence of the Lambs (1991)
Patrick Dempsey Dr. Derek Shepherd Dr. Derek Shepherd See fewer	Grey's Anatomy (2005)
Kate Walsh Dr. Addison Montgomery Dr. Addison Montgomery See fewer	The Perks of Being a Wallflower (2012)
Amy Madigan Dr. Katharine Wyatt Dr. Katharine Wyatt See fewer	Field of Dreams (1989)
Elizabeth Reaser Rebecca Pope Rebecca Pope See fewer	Twilight (I) (2008)
Clea DuVall Jennifer Robinson (as Clea Duvall) Jennifer Robinson (as Clea Duvall) See fewer	Argo (2012)
Lauren Stamile Nurse Rose Nurse Rose See fewer	Burn Notice (2007)
Kathleen Rose Perkins Sarah Sarah See fewer	The Pact (II) (2012)
Ken Barnett Freddie Freddie See fewer	Mozart in the Jungle (2014)
Jason O'Mara Phillip Robinson Phillip Robinson See fewer	Agents of S.H.I.E.L.D. (2013)
Sam Daly Will Will See fewer	The Office (2005)
Meg Cionni Nikki Nikki See fewer	The Rendezvous (II) (2016)
John O'Brien Lab Tech Lab Tech See fewer	Cheaper by the Dozen (2022)
Gloria Garayua Intern Graciella Intern Graciella See fewer	Maid (2021)
Tymberlee Hill Intern Claire (as Tymberlee Chanel) Intern Claire (as Tymberlee Chanel) See fewer	Due Date (2010)
Winston Story Intern Leo Intern Leo See fewer	Brooklyn Nine-Nine (2013)
Joy Osmanski Intern Lucy Intern Lucy See fewer	Stargirl (2020)
Molly Kidder Intern Megan Intern Megan See fewer	Luckiest Girl Alive (2022)
Richard Keith Intern Mitch Intern Mitch See fewer	Fall (VII)
Bokhee An Nurse Bokhee (uncredited) Nurse Bokhee (uncredited) See fewer	Grey's Anatomy (2005)
Aleksandr Novikov Dr. Richard Webber (voice) (version: Russian) (uncredited) Dr. Richard Webber (voice) (version: Russian) (uncredited) See fewer	Lava (1989)
Mikhail Tikhonov Dr. Alex Karev (voice) (version: Russian) (uncredited) Dr. Alex Karev (voice) (version: Russian) (uncredited) See fewer	Angely smerti (1993)
Ouija Whittemore Pregnant Patient (uncredited) Pregnant Patient (uncredited) See fewer	CSI: NY (2004)