Guest Stars Jillian Murray as Dr. Heather Pinkney Christina Vidal as Dr. Gina Perello Shiri Appleby as Carla Niven Amy Stewart as Katherine Lembeck Shinelle Azoroh as Jocelyn Barry Maggie Elizabeth Jones as Lily Lembeck Neil Hopkins as Gary Martin Erica Gimpel as Alice Sellers Gabriel Michael Bateman as Jason Riner Bodhi Elfman as Kenny Wylar Bruce Nozick as Jack Irons Co Starring Angela Relucio as Nurse Risa Park Gabrielle Carteris as Amy Wolowitz Emily Nelson as Hannah Reynolds Terrence Edwards as Medic #1 Amy Shelton-White as Medic #3 Cantrell Harris as Fire Rescue Chase Ellison as Elliot Lembeck Tracy Kay as Debra Bellow Gregory Marcel as Dr. Miles Caster Paul Magers as News Anchor Daniel Robaire as Radiology Tech A.J. Castro as Ambulance Driver Ty Chen as Intern Uncredited Christina Cannarella as Real Medical #1