Guest Stars Daniel London as J. Robert Oppenheimer Mamie Gummer as Nora Corey Allen as Theodore Sinclair Bill Camp as William Hogarth Jason Ralph as Stan Neve Campbell as Kitty Oppenheimer Fiona Dourif as Jean Tatlock Co Starring Matt Page as G.I. Weaver Clay Space as Tillman Dave Maldonado as Warden Wells Jessica Marie Osbourne as Constance Mark Feigenbutz as Dudley Rob Tode as Dr. Crippin Barbara Geary as Waitress Kristin Hansen as Nancy Ben Ziegler as Hankins Matt Timmons as SF Law Enforcement
