The Master Key poster
Where to stream

The Master Key

8.019453h 46mNRMovieActionWarCrime

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

DirectorsLewis D. Collins·Ray Taylor
WritersDwight V. Babcock·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 Lewis D. Collins

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

Dragnet
Dragnet
1951 · 6.5
Climax!
Climax!
1954 · 3.8
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
Young Mr. Lincoln
Young Mr. Lincoln
1939 · 7.2
White Feather
White Feather
1955 · 6.8
Pickup on South Street
Pickup on South Street
1953 · 7.4
Invaders from Mars
Invaders from Mars
1953 · 5.9
Made for Each Other
Made for Each Other
1939 · 6.1
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
Stage Door
Stage Door
1937 · 7.2
Kitty Foyle
Kitty Foyle
1940 · 6.6
She-Wolf of London
She-Wolf of London
1946 · 5.6
So Proudly We Hail
So Proudly We Hail
1943 · 5.7
The Strange Case of Doctor Rx
The Strange Case of Doctor Rx
1942 · 5.2
Dick Tracy vs. Crime Inc.
Dick Tracy vs. Crime Inc.
1941 · 6.8
Follow the Boys
Follow the Boys
1944 · 5.7
Frontier Gal
Frontier Gal
1945 · 5.3
See all fromJan Wiley

More from Lewis D. Collins · Director

The Desert Trail
The Desert Trail
1935 · 4.7
Hot Rod
Hot Rod
1950 · 6.3
Trigger Trail
Trigger Trail
1944 · 7.0
Jungle Goddess
Jungle Goddess
1948 · 2.9
Outside the Three-Mile Limit
Outside the Three-Mile Limit
1940 · 5.7
Ticket to a Crime
Ticket to a Crime
1934 · 6.0
Oklahoma Justice
Oklahoma Justice
1951 · 9.0
Danger Woman
Danger Woman
1946 · 8.0
Cowboy and the Prizefighter
Cowboy and the Prizefighter
1949 · 9.0
Sing Sing Nights
Sing Sing Nights
1934 · 4.2
See all fromLewis D. Collins

More like this

Battleground
Battleground
1949 · 6.7
Batman
Batman
1943 · 6.2
Blood on the Sun
Blood on the Sun
1945 · 5.9
Indemnity
Indemnity
2022 · 6.6
See Spot Run
See Spot Run
2001 · 6.1
Fixed Bayonets!
Fixed Bayonets!
1951 · 6.5
The Devil's Brigade
The Devil's Brigade
1968 · 6.3
400 Bullets
400 Bullets
2021 · 7.0
The Blue Lamp
The Blue Lamp
1950 · 6.6
Operation Pacific
Operation Pacific
1951 · 6.1
Batman vs Teenage Mutant Ninja Turtles
Batman vs Teenage Mutant Ninja Turtles
2019 · 7.2
Batman
Batman
1966 · 6.4

The Master Key — streaming FAQ

Which OTT platform streams The Master Key?

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

Is The Master Key on Netflix?

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

Is The Master Key on Amazon Prime Video?

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

Where can I watch The Master Key for free?

The Master Key isn't streaming in United States 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 States 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.