Molly Parker Dr. Amy Larsen Actor Omar Metwally Dr. Michael Hamda Actor Amirah Vann Dr. Gina Walker Actor Jon-Michael Ecker Dr. Jake Heller Actor Anya Banerjee Dr. Sonya Maitra Actor Patrick Walker Dr. Theodore "TJ" Coleman Actor Charlotte Fountain-Jardim Katie Hamda Actor Felicity Huffman Dr. Joan Ridley Actor Scott Wolf Dr. Richard Miller Guest Star Claire Armstrong Nurse Julie Kenner Guest Star Conni Miu Nurse Liz Kwon Guest Star Samantha Massell Rachel Heller Guest Star Imali Perera Dr. Lisa Kumara Guest Star Johanna Day Diane Bradley Guest Star Brian Tee Bobby Ho Guest Star Darrin Baker Max Garner Guest Star Dale Boyer Marcia Wortham Guest Star Pamela Sinha Dr. Alisha Carey Guest Star Douglas Nyback Dr. Peter Douglas Guest Star Vivienne Frankie Young Katie Guest Star Ben Carlson Dr. David Rose Guest Star Paulino Nunes Dr. Emilio Costa Guest Star Josh Holliday Dr. Pressman Guest Star Justin Landry Sammy Hughes Guest Star Barbie Kligman Executive Producer Hank Steinberg Executive Producer Erwin Stoff Executive Producer