ABC's "Zero Hour" stars Carmen Ejogo as Rebecca "Beck" Riley, Scott Michael Foster as Arron Martin, Anthony Edwards as Hank Galliston, Jacinda Barrett as Laila Galliston, Michael Nyqvist as White Vincent and Addison Timlin as Rachel Lewis.

ABC's "Zero Hour" stars Carmen Ejogo as Rebecca "Beck" Riley, Scott Michael Foster as Arron Martin, Anthony Edwards as Hank Galliston, Jacinda Barrett as Laila Galliston, Michael Nyqvist as White Vincent and Addison Timlin as Rachel Lewis.