Grey's Anatomy Undo (Season 13, Episode 1)
TV-14
TV Episode | 43 min | Drama, Romance

Grey's Anatomy

Undo (Season 13, Episode 1)

TV-14

TV Episode | 43 min | Drama, Romance

A crisis at the hospital cuts the wedding festivities short, Richard steps in with advice for Jo, and Meredith feels the burden of secrets.

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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)
Justin Chambers Dr. Alex Karev Dr. Alex Karev See fewer	Grey's Anatomy (2005)
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)
Kevin McKidd Dr. Owen Hunt Dr. Owen Hunt See fewer	Trainspotting (1996)
Sarah Drew Dr. April Kepner Dr. April Kepner See fewer	Moms' Night Out (2014)
Jesse Williams Dr. Jackson Avery Dr. Jackson Avery See fewer	The Cabin in the Woods (2011)
Caterina Scorsone Dr. Amelia Shepherd Dr. Amelia Shepherd See fewer	The November Man (2014)
Camilla Luddington Dr. Jo Wilson Dr. Jo Wilson See fewer	Tomb Raider (2013)
Jerrika Hinton Dr. Stephanie Edwards Dr. Stephanie Edwards See fewer	Hunters (2020)
Kelly McCreary Dr. Maggie Pierce Dr. Maggie Pierce See fewer	Grey's Anatomy (2005)
Jason George Dr. Ben Warren Dr. Ben Warren See fewer	Fallen (1998)
Martin Henderson Dr. Nathan Riggs Dr. Nathan Riggs See fewer	Smokin' Aces (2006)
Giacomo Gianniotti Dr. Andrew DeLuca Dr. Andrew DeLuca See fewer	Grey's Anatomy (2005)
Debbie Allen Dr. Catherine Avery Dr. Catherine Avery See fewer	Fame (1982)
Joe Adler Dr. Isaac Cross Dr. Isaac Cross See fewer	The Maze Runner (2014)
Monica Lawson Officer Tatum Officer Tatum See fewer	Wakefield (2016)
James Holloway Paramedic Clyde Paramedic Clyde See fewer	Hero (III) (2010)
Olivia-Diane Joseph Nurse Nurse See fewer	Grey's Anatomy (2005)
John Bubniak Bartender Bartender See fewer	American Horror Story (2011)
Marc Abbink Hospital Staff / Attendee (uncredited) Hospital Staff / Attendee (uncredited) See fewer	Rake (2014)
Bokhee An Nurse Bokhee (uncredited) Nurse Bokhee (uncredited) See fewer	Grey's Anatomy (2005)