The Master Key_
"13 Chapters of Terrific Thrills!"
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
Starring
Milburn Stone, Jan Wiley, Dennis Moore
Updated Feb 16, 2026
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Year context
The Master Key was released 81 years ago in 1945.
Overview
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
The Master Key is a Action, War, Crime film with a runtime of 3h 46m.
CAST (14)
Milburn Stone
Agent Tom Brant
Jan Wiley
Janet Lowe
Dennis Moore
Jack Ryan
Addison Richards
Gerhard Doenitz / Garret Donahue
Byron Foulger
Prof. Elwood Henderson
Maris Wrixon
Dorothy Newton
Sarah Padden
Aggie
George Lynn
Herman
Russell Hicks
Police Chief Michael J. O'Brien
Roland Varno
Arnold Hoffman
Lash LaRue
Migsy
JS
Jerry Shane
Dan
Neyle Morrow
Spike
John Eldredge
Walter Stark
DETAILS
FREQUENTLY ASKED QUESTIONS
What is The Master Key about?
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
How long is The Master Key?
The Master Key has a runtime of 226 minutes (3h 46m).
Who stars in The Master Key?
The cast of The Master Key includes Milburn Stone, Jan Wiley, Dennis Moore, Addison Richards, Byron Foulger.
GENRES (3)
Action
War
Crime