Parminder Nagra Dr. Neela Rasgotra Actor Linda Cardellini Nurse Samantha Taggart Actor John Stamos Dr. Tony Gates Actor Scott Grimes Dr. Archie Morris Actor David Lyons Dr. Simon Brenner Actor Angela Bassett Dr. Cate Banfield Actor Courtney B. Vance Russell Banfield Guest Star Noah Wyle Dr. John Carter Guest Star Wallace Shawn Teddy Lempell Guest Star Hedy Burress Joanie Moore Guest Star David Eigenberg Detective Trent Mallory Guest Star Justina Machado Claudia Diaz Guest Star Gil McKinney Dr. Paul Grady Guest Star Emily Rose Dr. Tracy Martin Guest Star Ariel Winter Lucy Moore Guest Star Abraham Benrubi Jerry Markovic Guest Star David Zabel Executive Producer John Wells Executive Producer