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 Stephen Patrick Walker Actor Allan Dobrescu Actor Claire Armstrong Nurse Julie Kenner Guest Star Conni Miu Nurse Liz Kwon Guest Star Sarah Allen Nora Hamda Guest Star Douglas Nyback Peter Douglas Guest Star Imali Perera Dr. Lisa Kumara Guest Star Al Faris Farouk Hamda Guest Star Shareen Mitchell Samira Hamda Guest Star Barbie Kligman Executive Producer Hank Steinberg Executive Producer Erwin Stoff Executive Producer Russell Lee Fine Director