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 Paulyne Wei Nurse Lucy Wen Guest Star Christie Stewart Dr. Monica Barrett Guest Star Alan Van Sprang Xander Voit Guest Star Elena Juatco Fiona Voit Guest Star Samantha Massell Rachel Heller Guest Star Sarah Allen Nora Hamda Guest Star Darrin Baker Max Garner Guest Star Jason Burke Nurse Ray Green Guest Star Douglas Nyback Peter Douglas Guest Star Jun Che Dr. Brian Park Guest Star Natalie Lisinska Dr. Scherl Guest Star Allan Dobrescu Tech Darrin Guest Star Connor McMahon Ethan Ridley Guest Star Fallon Bowman Dr. Wyatt Guest Star Naomi Wright Dr. Metzger Guest Star David Gingrich Dr. Steiner Guest Star Madeleine Donohue Dr. Carol Jeurling Guest Star Teresa Pavline Dr. Karen Franco Guest Star Leo Zalewski Robbie Ridley Guest Star Heather Kosik Samantha Ridley Guest Star Barbie Kligman Executive Producer Hank Steinberg Executive Producer Erwin Stoff Executive Producer