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.
伊万·麦克格雷格,查理·布尔曼
露西·劳莱丝,埃博妮·瓦戈兰斯,Rawiri Jobe,约瑟夫·纳瓦胡,艾瑞克·托马森,Albert Cho,Sia Trokenheim,Annie Duynhoven,Hayley Sproull,Kimberley Hill,Carly Binding
乔·曼特纳,帕姬·布鲁斯特,A·J·库克,伯克·弗洛伊德,Adriana Fricke,埃美·加西亚,扎克·吉尔福德,瑞安-詹姆斯·畑中,Dennis Mencia,埃迪·米尔斯,妮可·帕森特,Tyler Ham Pong,亚当·罗德里格兹,Josh Server,爱莎·泰勒,Eric Scott Alperin,Cortés Alexander,克斯汀·范奈丝
芳根京子,本田响矢,山本舞香,小关裕太,小宫璃央,户塚纯贵,生濑胜久,和久井映见,高桥努,绀野真昼,森宽和,咲妃美悠,小川彩
亚历山大·斯卡斯加德,Jennifer Sendaula,Maroc Rey,大卫·达斯马齐连,萨布丽娜·吴,塔蒂娜·琼斯,塔玛拉·波戴米斯基,乔什·克鲁达斯,阿克夏伊·卡纳,肖恩·达利,Kayla Mirage,诺玛·杜梅温尼,Negin Kamali
乔恩·哈姆,阿曼达·皮特,奥利维亚·穆恩,李勋,伊莎贝尔·格雷夫特,莉娜·霍尔,马克·托尔曼,多诺万·可兰,安娜·奥斯奥拉,马修·劳奇,Miriam Silverman,詹妮弗·马奇,丽贝卡·纳奥米·琼斯,乔丹·盖尔伯,马努·纳拉延,Dave Quay,柯宾·伯恩森,何家蓓,罗伯特·巴格内尔,Daniel Dale