
The research, development, and deployment of the first atomic bomb, as well as the bombing of Hiroshima, are detailed in this docudrama.
Cast

Brian Donlevy
Maj. Gen. Leslie R. Groves

Robert Walker
Col. Jeff Nixon

Tom Drake
Matt Cochran

Beverly Tyler
Anne Cochran

Hume Cronyn
Dr. J. Robert Oppenheimer

Audrey Totter
Jean O'Leary

Hurd Hatfield
Dr. John Wyatt

Joseph Calleia
Dr. Enrico Fermi

Godfrey Tearle
President Franklin D. Roosevelt

Victor Francen
Dr. Marre

Richard Haydn
Dr. Chisholm

Jonathan Hale
Dr. Vannevar Bush

John Litel
K.T. Keller

Henry O'Neill
Gen. Thomas F. Farrell

Warner Anderson
Capt. William S. Parsons

Ellen Ross
Waitress

Bobby Jordan
Radioman on Tinian Receiving A-Bomb Message
Jerry Schumacher
Nazi Officer
Crew

Norman Taurog
Director
Frank Wead
Writer
Bob Considine
Story
George Boemler
Editor
Ray June
Director of Photography
Stanley Goldsmith
Assistant Director
Frank E. Myers
Assistant Director
Samuel Marx
Producer
Daniele Amfitheatrof
Original Music Composer
F. Keogh Gleason
Set Decoration

Edwin B. Willis
Set Decoration

Cedric Gibbons
Art Direction
Hans Peters
Art Direction
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