The Master Key poster
Where to stream

The Master Key

8.019453h 46mNRMovieActionWarCrime

Before the outbreak of WWII, Nazi sympathizers plot to undermine America.

DirectorsRay Taylor·Lewis D. Collins
WritersGeorge H. Plympton·Jack Natteford
ProducerMorgan Cox

Where to watch

Not streaming yet
Check back soon

The Master Key was released on April 24, 1945 but we couldn't find it on any streaming service yet. Rights can change — try again later.

Get the app to be notified

Cast · Directed by Ray Taylor

MSMilburn Stone
Milburn Stone
Agent Tom Brant
JWJan Wiley
Jan Wiley
Janet Lowe
DMDennis Moore
Dennis Moore
Jack Ryan
ARAddison Richards
Addison Richards
Gerhard Doenitz / Garret Donahue
BFByron Foulger
Byron Foulger
Prof. Elwood Henderson
MWMaris Wrixon
Maris Wrixon
Dorothy Newton
SPSarah Padden
Sarah Padden
Aggie
GLGeorge Lynn
George Lynn
Herman
RHRussell Hicks
Russell Hicks
Police Chief Michael J. O'Brien
RVRoland Varno
Roland Varno
Arnold Hoffman
LLLash LaRue
Lash LaRue
Migsy
JS
Jerry Shane
Dan

More from Milburn Stone · Lead actor

Climax!
Climax!
1954 · 3.8
Dragnet
Dragnet
1951 · 6.5
Gunsmoke
Gunsmoke
1955 · 6.7
The Adventures of Wild Bill Hickok
The Adventures of Wild Bill Hickok
1951 · 5.3
Racket Squad
Racket Squad
1951 · 6.5
Invaders from Mars
Invaders from Mars
1953 · 5.9
The Racket
The Racket
1951 · 6.3
Johnny Apollo
Johnny Apollo
1940 · 6.8
Invisible Agent
Invisible Agent
1942 · 5.8
Buck Privates Come Home
Buck Privates Come Home
1947 · 6.4
See all fromMilburn Stone

More from Jan Wiley · Co-star actress

Citizen Kane
Citizen Kane
1941 · 8.0
The Best Years of Our Lives
The Best Years of Our Lives
1946 · 7.7
The Strange Case of Doctor Rx
The Strange Case of Doctor Rx
1942 · 5.2
Stage Door
Stage Door
1937 · 7.2
Dick Tracy vs. Crime Inc.
Dick Tracy vs. Crime Inc.
1941 · 6.8
Kitty Foyle
Kitty Foyle
1940 · 6.6
She-Wolf of London
She-Wolf of London
1946 · 5.6
Fired Wife
Fired Wife
1943 · 5.6
So Proudly We Hail
So Proudly We Hail
1943 · 5.7
Follow the Boys
Follow the Boys
1944 · 5.7
See all fromJan Wiley

More from Ray Taylor · Director

Flash Gordon Conquers the Universe
Flash Gordon Conquers the Universe
1940 · 5.8
Shadow Valley
Shadow Valley
1947 · 9.0
Battling with Buffalo Bill
Battling with Buffalo Bill
1931 · 5.8
Dick Tracy
Dick Tracy
1937 · 5.2
The Spider's Web
The Spider's Web
1938 · 6.5
The Mystery of the Hooded Horsemen
The Mystery of the Hooded Horsemen
1937 · 6.0
Raiders of Ghost City
Raiders of Ghost City
1944 · 7.0
The Phantom Rider
The Phantom Rider
1936 · 7.0
Gang Busters
Gang Busters
1942 · 6.0
The Adventures of Smilin' Jack
The Adventures of Smilin' Jack
1943 · 5.7
See all fromRay Taylor

More like this

Batman
Batman
1943 · 6.2
Blood on the Sun
Blood on the Sun
1945 · 5.9
Fixed Bayonets!
Fixed Bayonets!
1951 · 6.5
Deadbeat at Dawn
Deadbeat at Dawn
1988 · 6.3
See Spot Run
See Spot Run
2001 · 6.1
The Devil's Brigade
The Devil's Brigade
1968 · 6.3
Indemnity
Indemnity
2022 · 6.6
Operation Pacific
Operation Pacific
1951 · 6.1
400 Bullets
400 Bullets
2021 · 7.0
Batman vs Teenage Mutant Ninja Turtles
Batman vs Teenage Mutant Ninja Turtles
2019 · 7.2
The Mechanic
The Mechanic
1972 · 6.7
The Blue Lamp
The Blue Lamp
1950 · 6.6

The Master Key — streaming FAQ

Which OTT platform streams The Master Key?

The Master Key isn't streaming anywhere in United Kingdom yet.

Is The Master Key on Netflix?

No, The Master Key is not on Netflix in United Kingdom as of October 2026.

Is The Master Key on Amazon Prime Video?

No, The Master Key isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch The Master Key for free?

The Master Key isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for The Master Key?

The Master Key hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around June 12, 1945. This is a prediction, not a confirmed date.