Michael Grassi Creator, Executive Producer Zachary Quinto Dr. Oliver Wolf Actor Tamberla Perry Dr. Carol Pierce Actor Ashleigh LaThrop Dr. Ericka Kinney Actor Alex MacNicoll Dr. Van Markus Actor Aury Krebs Dr. Dana Dang Actor Spence Moore II Dr. Jacob Nash Actor Teddy Sears Dr. Josh Nichols Actor Donna Murphy Dr. Muriel Landon Actor Mishel Prada Katie Rodriguez Guest Star Rainbow Sun Francks Morris Allen Guest Star Julia Chan Alison Zhang Whitaker Guest Star Kiki Hammill Maya Allen Guest Star Jackson Lee Hill Finn Kemp Guest Star James Cade Mr. Kemp Guest Star Ted Sutherland Teen Wolf Guest Star Kaci Walfall College Carol Guest Star Jonathan Kim Max Yoo Guest Star Greg Berlanti Executive Producer Sarah Schechter Executive Producer Leigh London Redman Executive Producer Lee Toland Krieger Executive Producer DeMane Davis Executive Producer Melissa Aouate Executive Producer Henrik Bastin Executive Producer Andy Serkis Executive Producer Jonathan Cavendish Executive Producer Will Tennant Executive Producer Maggie Kiley Director Stasia Demick Writer William Yu Writer