Gen. Leslie R. Groves
J. Robert Oppenheimer
Kitty Oppenheimer
Michael Merriman
Kathleen Robinson
Peter de Silva
Richard Schoenfield
Jean Tatlock
Jamie Latrobe
William "Deke" Parsons
Dr. Kenneth Whiteside
Robert Tuckson
Franz Goethe
Seth Neddermeyer
Johnny Mount
Robert Harper
Robert Wilson
Dora Welsh
Douglas Panton
George Kistiakowsky
Leo Szilard
Oakridge Doctor
Whitney Ashbridge
James Tuck
Boris Pash
Otto Frisch
Bronston
Brehon Somervell
Melrose Hayden Barry
Donald Hornig
Edward Teller
Scientist
Dr. Avenell
Messenger
Frank Oppenheimer
Enrico Fermi
Dr. Louis Hempelman
Peter Oppenheimer
Peter Oppenheimer
Scientist
Raincoat Man
Harold McDonald
Robert Serber
Times Reporter
Observation Officer
Henry Stimson
Dennis Talmudge
Mack Stoddard
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