Grey's Anatomy Losing My Mind (Season 4, Episode 15)
TV-14
TV Episode | 60 min | Drama, Romance

Grey's Anatomy

Losing My Mind (Season 4, Episode 15)

TV-14

TV Episode | 60 min | Drama, Romance

Cristina is still in her slump and turning mean, Izzie finally confronts Ava/Rebecca, and Meredith's anger with her therapist is challenged by a patient with a Cinderella story.

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Cast	+ Add Cast
22 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)
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)
Paul Dooley Dr. Walter Tapley Dr. Walter Tapley See fewer	Breaking Away (1979)
Regina Taylor Greta Greta See fewer	Courage Under Fire (1996)
Lauren Stamile Nurse Rose Nurse Rose See fewer	Burn Notice (2007)
April Grace Greta's Sister Greta's Sister See fewer	Magnolia (1999)
Cress Williams Tucker Jones Tucker Jones See fewer	Black Lightning (2018)
Jeffrey D. Sams Andre Barrett Andre Barrett See fewer	Big Shot (2021)
Bokhee An Nurse Bokhee (uncredited) Nurse Bokhee (uncredited) See fewer	Grey's Anatomy (2005)
Jodi Riggins Intern (uncredited) Intern (uncredited) See fewer	A Christmas Proposal (2008)