Brian Dennehy
Gen. Leslie Groves
ديفيد ستراثيرن
J. Robert Oppenheimer
Michael Tucker
Leo Szilard
هوم كرونين
James F. Byrnes
Richard Dysart
President Harry S. Truman
Hal Holbrook
Gen. George Marshall
Barnard Hughes
Henry Stimson
John McMartin
Dr. Arthur Compton
David Ogden Stiers
Franklin D. Roosevelt
Anne Twomey
Kitty Oppenheimer
Lawrence Dane
Ron Frazier
Colonel Pash
Olek Krupa
Edward Teller
Bernie McInerney
John Pielmeier
Seth
Ken Pogue
Dwight D. Eisenhower
المخرج
Joseph Sargent
الموسيقى
Mason Daring
التصوير
Kees Van Oostrum
المونتاج
Debra Karen
Spelling Entertainment
AT&T