Noah Wyle Dr. Michael 'Robby' Robinavitch Actor, Executive Producer Patrick Ball Dr. Langdon Actor Supriya Ganesh Dr. Mohan Actor Fiona Dourif Dr. McKay Actor Taylor Dearden Dr. King Actor Isa Briones Dr. Santos Actor Gerran Howell Whitaker Actor Shabana Azeez Javadi Actor Katherine LaNasa Dana Evans Actor Amielynn Abellera Actor Alexandra Metz Actor Arun Storrs Actor Bess Rous Actor Abby Ryder Fortson Actor Brandon Keener Actor Kristin Villanueva Actor Samantha Sloyan Actor Marguerite Moreau Actor Ashley Romans Actor Shu Lan Tuan Actor Ellen Wroe Actor Tracy Ifeachor Actor Simran Baidwan Executive Producer R. Scott Gemmill Executive Producer Michael Hissrich Executive Producer Erin Jontow Executive Producer John Wells Executive Producer John Cameron Director Cynthia Adarkwa Producer