Guest Stars Tyler Perez as Dr. Diego Avila David Clennon as Colonel Martin Willis Matt Gerald as Mike Gregory Itzin as Dr. David Stoval Kate Cobb as Bridget Kozelek Kevin McCorkle as Hank Kozelek Nefetari Spencer as Stephanie Iris Bahr as Audrey Philip Smithey as Terrence White Co Starring Angela Relucio as Nurse Risa Park Tai Bennett as Matthew Marks Christine Kellogg-Darrin as Dr. Amanda Cistulli Jonny Berryman as Caleb White Susan Song as Scrub Nurse