The Beginning or the End_
"Behind a forbidden door is a terrifying secret!"
The research, development, and deployment of the first atomic bomb, as well as the bombing of Hiroshima, are detailed in this docudrama.
Starring
Brian Donlevy, Robert Walker, Tom Drake
Updated Feb 16, 2026
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Year context
The Beginning or the End was released 79 years ago in 1947.
Overview
The research, development, and deployment of the first atomic bomb, as well as the bombing of Hiroshima, are detailed in this docudrama.
The Beginning or the End is a Drama, Documentary, History film with a runtime of 1h 52m.
CAST (18)
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
JS
Jerry Schumacher
Nazi Officer
DETAILS
FREQUENTLY ASKED QUESTIONS
What is The Beginning or the End about?
The research, development, and deployment of the first atomic bomb, as well as the bombing of Hiroshima, are detailed in this docudrama.
How long is The Beginning or the End?
The Beginning or the End has a runtime of 112 minutes (1h 52m).
Who stars in The Beginning or the End?
The cast of The Beginning or the End includes Brian Donlevy, Robert Walker, Tom Drake, Beverly Tyler, Hume Cronyn.
What is the rating of The Beginning or the End?
The Beginning or the End has a rating of 6.1 out of 10 based on 11 votes on TMDB.
GENRES (4)
Drama
Documentary
History
War