The fifth-year residents return for the first day of a year that will make or break their careers: Meredith faces the consequences of tampering with Derek's clinical trial and is terminated at the hospital; April tries to step up to the plate as Chief Resident in the wake of a giant sinkhole in the middle of Seattle; and Cristina and Owen are still at odds over their drastically different feelings for their unborn child.
梅·惠特曼 卡洛斯·瓦尔德斯 诺亚·罗宾斯 丹尼斯·法尼 肖恩·克莱尔 布莱恩·科林·弗利 梅·洪 康福特·克林顿 Emilia Suárez Andrea Burns Sophia Hammons Adam Kaplan Ayumi Patterson Teddy Cañez Julia McDermott David Jake Rodriguez Maya Sistruck James Thomas Bligh
凯特·马尔瓦尼 斯蒂芬·皮科克 艾玛·汉密尔顿 贾丝婷·克拉克 罗伯·柯林斯 Sofia Nolan Ash Ricardo Rodney Afif Sam Delich Michael Gillan Thomas Weatherall Jack Scott Ash Hodgkinson
瑞恩·布罗萨德 斯科特·凯恩 Kristina Capati Petey Gibson 本杰明·戈阿斯 Micah Kelpin 达米安·梅维斯 丹妮亚·拉米雷兹 Adeola Role 杰森·特朗布莱 Taylor Lam Wright