Grey's Anatomy/Somebody That I Used to Know

Somebody That I Used to Know
Season 10, Episode 10
Airdate	November 21, 2013
Production Number	1010206
Written by	Debora Cahn
Directed by	Debbie Allen
← 10x09 Sorry Seems to be the Hardest Word	10x11 → Man on the Moon
Grey's Anatomy — Season Ten

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Somebody That I Used to Know is the tenth episode of the tenth season of Grey's Anatomy, and episode two hundred and six 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)

Guest Starring: (in credits order) Jason George (Dr. Ben Warren), Valerie Mahaffey (Donna Kaufman), Gordon Clapp (Victor Kaufman), Marguerite Moreau (Dr. Emma Marling), Mekenna Melvin (Ella's Babysitter), Paul Eiding (Stan)

Co-Starring: Kristin Lindquist (Lenore), Melissa Center (Ashley Glazier), Olivia-Diane Joseph (Nurse), Emily Berry (Screaming Woman)