Grey's Anatomy What I Am (Season 3, Episode 4)
TV-14
TV Episode | 60 min | Drama, Romance

Grey's Anatomy

What I Am (Season 3, Episode 4)

TV-14

TV Episode | 60 min | Drama, Romance

Meredith becomes a patient, and Derek and Addison are equally angry at Richard for allowing Mark to join the staff. Meanwhile, Izzie receives a visit from Denny's father, and Burke is plagued by doubt over his ability to return to surgery.

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Cast	+ Add Cast
21 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)
Kate Walsh Dr. Addison Montgomery Dr. Addison Montgomery See fewer	The Perks of Being a Wallflower (2012)
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)
Isaiah Washington Dr. Preston Burke Dr. Preston Burke See fewer	Grey's Anatomy (2005)
Patrick Dempsey Dr. Derek Shepherd Dr. Derek Shepherd See fewer	Grey's Anatomy (2005)
Chris O'Donnell Dr. Finn Dandridge Dr. Finn Dandridge See fewer	Batman & Robin (1997)
Fred Ward Denny Duquette, Sr. Denny Duquette, Sr. See fewer	Short Cuts (1993)
Stephanie Faracy Mrs. Sullivan Mrs. Sullivan See fewer	Mike and Dave Need Wedding Dates (2016)
Tina Holmes Rebecca Bloom Rebecca Bloom See fewer	Six Feet Under (2001)
Alan Blumenfeld Shawn Sullivan Shawn Sullivan See fewer	Heroes (II) (2006)
Steven W. Bailey Joe Joe See fewer	Buffy the Vampire Slayer (1997)
Jeff Rubino Jeff Bloom Jeff Bloom See fewer	The Den (2013)
Paula Weston Solano OB Nurse OB Nurse See fewer	Pretty Little Liars (2010)
Jeffrey Dean Morgan Denny Duquette (voice) (uncredited) Denny Duquette (voice) (uncredited) See fewer	Watchmen (2009)