John Benjamin HickeyFrank Winter Olivia WilliamsLiza Winter Ashley ZukermanCharlie Isaacs Rachel BrosnahanAbby Isaacs Michael ChernusLouis "Fritz" Fedowitz Christopher DenhamJim Meeks Daniel SternGlen Babbit / Director William PetersenCol. Emmett Darrow Jefferson WhiteCole 'Iowa' Dunlavey Lauren Chavez-MyersJeannie Daniel LondonJ. Robert Oppenheimer Corey AllenTheodore Sinclair Griffin DunneWoodrow Lorentzen Jonny CoyneDr. Alek Barath Joanne CampOppenheimer's Secretary Danny WinnScientist Brock Shylo MolinaFeatured Child Kent KirkpatrickArmy Doctor John Carroll LynchDaniel Ellis Fiona DourifJean Tatlock (voice) Neve CampbellKitty Oppenheimer Jessica OsbourneConstance Faraday Fran MartoneAkley's Secretary Kristen DeVore RakesWilma Mark SivertsenStaff Sergeant Vivian NesbittColonel Cox's Assistant Christian ClemensonNiels Bohr Kevin WigginsField Sergeant Glenn MorshowerCensorship Captain Katie Anne MitchellTicketing Agent John Gabriel RodriquezTravis Jessica HechtMiriam Rubins Robin ThomasMaxwell Rubins Kristin HansenAkley's Secretary Lucia MicarelliAnnie Liao Lora Martinez-CunninghamIda James Lawrence SicardIvan Gerald McRaneySec. Hentry Stimson Michael O'NeillPsychiatrist David Alexander MillerTrinity Worker Christopher MisianoDirector Michael UppendahlDirector Julie Anne RobinsonDirector Daniel SternGlen Babbit / Director Jennifer GetzingerDirector Rosemary RodriguezDirector Simon Cellan JonesDirector Nathaniel HalpernEscritor Megan Ferrell BurkeEscritor Ruth AmmonProduction Design Alex SomersCompositor de música original Jon Thor BirgissonCompositor de música original Zoe KeatingCompositor de música original Jeff RussoCompositor de música original David GreeneSpecial Effects Supervisor Noelle ValdiviaStory Editor 
