Guest Stars Jason George as Dr. Ben Warren Lance Gross as Ethan Boyd Millie Bobby Brown as Ruby Lise Simms as Karen Rodney Rowland as Brian Jennifer Rhodes as Jean Dominy Co Starring Payton Silver as Dr. A. Knox Michael Anthony Rogers as Paramedic J. Omar Castro as Paramedic #2 Hana Hayes as Danielle Ida Anderson as Lady Jacob Timothy Manown as Micah Trevor Anthony as Flight Doc Kalpana Pot as Ellie