Special Guest Stars Leonard Nimoy as Dr. William Bell Guest Stars Michael Cerveris as September Gerard Plunkett as Senator James Van Horn Rebecca Mader as Jessica Holt Co Starring David Ingram as Pilot Marcia Moulton as Nurse Babak Haleky as Doctor Alistair Abell as Chief Scientist Liam Carter as FBI Agent #2 Heming Hopkins as FBI Agent #3 Jennifer Lines as FBI Agent #1