Guest Stars Jillian Murray as Dr. Heather Pinkney Kevin Dunn as Dr. Mark Taylor Christina Vidal as Dr. Gina Perello Cress Williams as Cole Guthrie Alicia Coppola as Karen Irvin Michael Reilly Burke as Frank Irvin Wes Ramsey as Matt Thomas Kopache as Edwin Mercer Alton Fitzgerald White as Lawrence Shelley Robertson as Mali Jackson Pace as Pete Irvin Kimberly Whalen as Rachel L.J. Benet as Jeremy Mercer Co Starring Angela Relucio as Nurse Risa Park Gabrielle Carteris as Amy Wolowitz Ellia English as Isabel Mendez Greg Collins as Sheriff Mark Atteberry as Anesthesiologist Jim Titus as Paramedic #2 Lincoln A. Castellanos as Kurt Yael Pineda-Hall as Lion King Cast Member #3 Joel Steingold as Police Officer #1 Vusi Sondiyazi as Lion King Cast Member #8 Monnae Michaell as OR Nurse Sihle Ngema as Lion King Cast Member #7 Kyle R. Banks as Lion King Cast Member #5 Mukelisiwe Goba as Lion King Cast Member #2 Nompumelelo Sikakane as Lion King Cast Member #1 Curt Mega as Aaron Jacobson Ann Marie Lee as Charge Nurse Christina Cannarella as RM #1 Erin Spencer as Resident #2