Guest Stars Brennan Brown as Dr. Samuel Abrams Roland Buck III as Dr. Noah Sexton Ato Essandoh as Dr. Isidore Latham Jeff Hephner as Med Student Jeff Clarke Jürgen Hooper as Dr. Jason Wheeler Sophia Bush as Detective Erin Lindsay Morgan Lily as Nancy Leigh Jenny Bacon as Angela Azen Doris Morgado as Zulmira Céspedes Co Starring Lorena Diaz as Nurse Doris Courtney Rioux as Paramedic Courtney Jeremy Shouldis as Dr. Marty Peterson Cesar Jaime as Paramedic Cesar Mia Park as Nurse Beth Cole Arvin A. Jalandoon as Perfusionist Paul Deakins Andrew Brooks as Tom Hal Kilgore as Janitor Guy Massey as Dave Azen Isabella Blythe Suarez as Bruna Céspedes Cara Greene as Dr. Anita Baker Micaiah Issac as Evelyn Rebecca Hurd as Teresa Azen