Guest Stars Jason George as Dr. Ben Warren Greg Germann as Dr. Tom Koracick Stefania Spampinato as Dr. Carina DeLuca Abigail Spencer as Dr. Megan Hunt E.R. Fightmaster as Dr. Kai Bartley Melissa DuPrey as Dr. Sara Ortiz Barrett Doss as Victoria Hughes Peter Gallagher as Dr. David Hamilton Jaina Lee Ortiz as Andy Herrera Okieriete Onaodowan as Dean Miller Jay Hayden as Travis Montgomery Grey Damon as Lieutenant Jack Gibson Carlos Miranda as Theo Ruiz Alain Uy as Captain Pat Aquino Co Starring Fran Nichols as Nurse Karen Sylvia Kwan as Dr. Mabel Tseng Zaiver Sinnett as Dr. Zander Perez Rasta Thomas as Paramedic Janai Kaylani as Pru Miller Bardia Seiri as Farouk Shami Kevin Michael Clarke as Paramedic Kimberlee Kidd as Corporal Amy Sacilotto Kimberly Aria Peterson as Aaliyah Gustavo Ramirez as Private Vinicius Velo
