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Thriller is the seventh episode of the tenth season of Grey's Anatomy, and episode two hundred and three overall.
Starring: Ellen Pompeo (Meredith), Sandra Oh (Cristina), Justin Chambers (Alex), Chandra Wilson (Miranda), James Pickens, Jr. (Richard), Sara Ramirez (Callie), Kevin McKidd (Owen), Jessica Capshaw (Arizona), Sarah Drew (April), Jesse Williams (Jackson), Camilla Luddington (Jo), Gaius Charles (Shane), Jerrika Hinton (Stephanie), Tessa Ferrer (Leah), Patrick Dempsey (Derek)
Co-Starring: Robert John Brewer (Philip Walker), Laya DeLeon Hayes (Taryn Davis), Marcanthonee Jon Reis (Tuck), Teresa Huang (Nurse Ruth), Kate Mines (Nurse Gloria), Grace Rowe (Paramedic Grace), Louis Carazo (Bartender), Eddie Navarro (Zombie), J. Omar Castro (Paramedic #2), Melanie Jean (OR Nurse #2)