Grey's Anatomy Sleeping Monster (Season 9, Episode 21)
TV-14
TV Episode | 43 min | Drama, Romance

Grey's Anatomy

Sleeping Monster (Season 9, Episode 21)

TV-14

TV Episode | 43 min | Drama, Romance

At Jackson's request, the CDC arrives at the hospital to begin an investigation surrounding Bailey's patients. April blames Jackson for her breakup with Matthew and Alex tries to be nice to Jason. Owen continues to get closer to Ethan as ...See moreAt Jackson's request, the CDC arrives at the hospital to begin an investigation surrounding Bailey's patients. April blames Jackson for her breakup with Matthew and Alex tries to be nice to Jason. Owen continues to get closer to Ethan as his dad's health remains uncertain. Written by Nadia Nassar See less

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Cast	+ Add Cast
36 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)
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)
Sara Ramirez Dr. Callie Torres Dr. Callie Torres See fewer	Grey's Anatomy (2005)
Kevin McKidd Dr. Owen Hunt Dr. Owen Hunt See fewer	Trainspotting (1996)
Jessica Capshaw Dr. Arizona Robbins Dr. Arizona Robbins See fewer	Valentine (2001)
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)
Patrick Dempsey Dr. Derek Shepherd Dr. Derek Shepherd See fewer	Grey's Anatomy (2005)
Thom Barry CDC Investigator CDC Investigator See fewer	The Fast and the Furious (2001)
Mike Hagerty Al Keller Al Keller See fewer	Somebody Somewhere (2022)
Camilla Luddington Dr. Jo Wilson Dr. Jo Wilson See fewer	Tomb Raider (2013)
Tessa Ferrer Dr. Leah Murphy Dr. Leah Murphy See fewer	Insidious: The Last Key (2018)
Justin Bruening Matthew Taylor Matthew Taylor See fewer	Good Behavior (2016)
Enid Graham Rachel Dawson Rachel Dawson See fewer	Mare of Easttown (2021)
Charles Michael Davis Dr. Jason Myers Dr. Jason Myers See fewer	The Originals (2013)
Michael Buie Paul Dawson Paul Dawson See fewer	Bombshell (I) (2019)
Jennifer Bassey Nancy Dawson Nancy Dawson See fewer	27 Dresses (2008)
Abbie Cobb Frances 'Frankie' Keller Frances 'Frankie' Keller See fewer	The Candle (I) (2017)
Andy Manning Tony Keller (as Andrew Manning) Tony Keller (as Andrew Manning) See fewer	The Double (I) (2011)
Steven M. Gagnon Mr. Lepik Mr. Lepik See fewer	Drillbit Taylor (2008)
Idara Victor Amelie Ward Amelie Ward See fewer	Minx (2022)
Anthony Montgomery Chris Ward Chris Ward See fewer	Star Trek: Enterprise (2001)
Elisabeth Noone Bess Lepik Bess Lepik See fewer	The Wire (2002)
Katy Kurtzman Deedee Keller Deedee Keller See fewer	Dynasty (1981)
Robin DeMarco Jane Keller Jane Keller See fewer	Unplanned (I) (2019)
Sam Fuller Cash Keller (as Sam L.Fuller) Cash Keller (as Sam L.Fuller) See fewer	Grey's Anatomy (2005)
Anton Narinskiy Gunnar Gunnar See fewer	Pitch Perfect 2 (2015)
Kyle Red Silverstein Ethan Dawson Ethan Dawson See fewer	Yellowstone (2018)
Tom Costello Seth Lepik Seth Lepik See fewer	Bosch: Legacy (2022)
Sarah Lilly Joyce Basche Joyce Basche See fewer	Failure to Launch (2006)
Mark Droter Keller Family Member (uncredited) Keller Family Member (uncredited) See fewer	King Richard (2021)
Jessica Sirls Hospital Visitor (uncredited) Hospital Visitor (uncredited) See fewer	72 Beats (2013)
Rebecca Swift Nurse (uncredited) Nurse (uncredited) See fewer	Operation Seawolf (2022)