The Beginning or the End 1947

Synopsis:

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

Directed by: Norman Taurog
Written by: Frank Wead
Runtime: 112 minutes
Tagline: Behind a forbidden door is a terrifying secret!
Cast:
Brian Donlevy
Brian Donlevy
Maj. Gen. Leslie R. Groves 
Robert Walker
Robert Walker
Col. Jeff Nixon 
Tom Drake
Tom Drake
Matt Cochran 
Beverly Tyler
Beverly Tyler
Anne Cochran 
Hume Cronyn
Hume Cronyn
Dr. J. Robert Oppenheimer 
Audrey Totter
Audrey Totter
Jean O'Leary