Special Guest Stars Steven Weber as Dr. Dean Archer Guest Stars Brennan Brown as Dr. Samuel Abrams Devin Kawaoka as Kai Tanaka-Reed Conor Perkins as Dr. Zach Hudgins Luigi Sottile as Sean Archer Alet Taylor as Liliana Wapniarski Sasha Roiz as Jack Dayton T.V. Carpio as Dr. Grace Song Stan Shaw as Dr. George Thomas Kristof Konrad as Pawel Wapniarski Colleen Foy as Sandy Rogers Kristen Rakes as Kimberly Wray Daniel Nicholas Durant as Aiden Rogers Co Starring Lorena Diaz as Nurse Doris Marie Tredway as Nurse Trinidad "Trini" Campos Lynnette Li as Nurse Nancy Sarah Brooks as Paramedic Juliette Renellè Nicole as Nurse Trisha Matthew Isler as Paramedic Matt Gene Weygandt as Vernon Welles Lucinda Johnston as Phyllis Welles Preston Tate Jr. as Brendan Metz Connor William Green as Surgical Resident Liam Bernadette Santos Schwegel as Kyra Wray