Special Guest Stars Leonard Nimoy as Dr. William Bell Guest Stars Michael Cerveris as September Jared Harris as David Robert Jones Co Starring Albert Jones as Witness #1 Victoria Barabas as MD Woman Victor Cruz as EMT Xanthe Elbrick as Woman Jim Ford as Tech #3 Jared Grimes as Teenager Sue Jean Kim as ER Doctor Brian Christopher O'Neill as ND FBI Agent #3 Shabazz Ray as ND Agent #2 Vivienne Sendaydiego as ND Agent #4 Kevin Sibley as ND Agent Deborah Twiss as ER Nurse