Cast 21
Sam Waterston
Robert Oppenheimer (7 episodes)
John Carson
Narrator (7 episodes)
Shane Rimmer
Ed Condon (7 episodes)
Alexander Knox
Henry Stimson (7 episodes)
Jana Shelden
Kitty Oppenheimer (7 episodes)
Phil Brown
Lewis Strauss (7 episodes)
Edward Hardwicke
Enrico Fermi (7 episodes)
David Suchet
Edward Teller (7 episodes)
James Maxwell
Lloyd Garrison (7 episodes)
MJ
Milton Johns
George Kistiakowsky (7 episodes)
Barry Dennen
Isidor Rabi (7 episodes)
BS
Bob Sherman
Ernest Lawrence (7 episodes)
MG
Matthew Guinness
Hans Bethe (7 episodes)
Christopher Malcolm
Steve Nelson (7 episodes)
Garrick Hagon
Frank Oppenheimer (7 episodes)
David Baxt
Colonel John Lansdale (7 episodes)
PB
Peter Banks
Joseph Volpe (7 episodes)
RB
Ron Berglas
John Manley (7 episodes)
Colin Bennett
Seth Neddermeyer (7 episodes)
Christopher Muncke
Colonel Kenneth Nichols (7 episodes)
PC
Peter Carlisle
H.U.A.C Counsel (1 episode)
Directing 1
BD
Barry Davis
Director (7 episodes)
Production 2
PG
Peter Goodchild
Executive Producer (7 episodes)
LL
Lindsay Law
Producer (7 episodes)
Writing 1
PP
Peter Prince
Writer (7 episodes)