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Push is the seventeenth episode of the sixth season of Grey's Anatomy, and episode one hundred and nineteen overall.
Starring: Ellen Pompeo (Meredith), Sandra Oh (Cristina), Katherine Heigl (Izzie), Justin Chambers (Alex), Chandra Wilson (Miranda), James Pickens, Jr. (Richard), Sara Ramirez (Callie), Eric Dane (Mark), Chyler Leigh (Lexie), Kevin McKidd (Owen), Jessica Capshaw (Arizona), Patrick Dempsey (Derek)
Guest Starring: (in credits order) Kim Raver (Dr. Teddy Altman), Diane Venora (Audrey Taylor), Dennis Boutsikaris (Don Taylor), Jason George (Dr. Ben Warren), Jesse Williams (Dr. Jackson Avery), Geoffrey Blake (Jim), Moon Zappa (Kelly), Roshawn Franklin (Todd Holmes), Elizabeth Ho (Molly)