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 Alexis Bledel Dr. Julia Wise Guest Star Ernest Borgnine Paul Manning Guest Star Noah Wyle Dr. John Carter Guest Star Sam Jones III Chaz Pratt Guest Star Thandiwe Newton Makemba 'Kem' Likasu Guest Star Cara Buono Lisa Salamunovich Guest Star Marilu Henner Linda Guest Star Hallee Hirsh Rachel Greene Guest Star Arthur Allan Seidelman Mr. Gandhi Guest Star David Zabel Executive Producer John Wells Executive Producer