The Steel Key poster
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The Steel Key

6.319531h 9mMovieDramaThriller

An adventurer investigates the theft of a formula for hardened steel, assisted by his girlfriend.

DirectorRobert S. Baker
WritersRoy Chanslor·John Gilling
ProducersRobert S. Baker·Monty Berman

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with Ads
Availability shown for United Kingdom · rights vary by country

Cast · Directed by Robert S. Baker

TMTerence Morgan
Terence Morgan
Johnny O'Flynn
JRJoan Rice
Joan Rice
Doreen Wilson
RLRaymond Lovell
Raymond Lovell
Inspector Forsythe
DFDianne Foster
Dianne Foster
Sylvia Newman
CTColin Tapley
Colin Tapley
Dr. Crabtree
EKEsmond Knight
Esmond Knight
Prof. Newman
MBMark Baker
Mark Baker
Dr. Metcalfe
CC
Cyril Conway
Sgt. Cove
HRHector Ross
Hector Ross
Beroni
AL
Arthur Lovegrove
Gilchrist
ECEsma Cannon
Esma Cannon
Patient in Doctor's Waiting Room
SKSam Kydd
Sam Kydd
Chauffeur

More from Terence Morgan · Lead actor

The Persuaders!
The Persuaders!
1971 · 7.7
Out of the Unknown
Out of the Unknown
1965 · 7.1
Sir Francis Drake
Sir Francis Drake
1961 · 5.1
Hamlet
Hamlet
1948 · 7.4
Captain Horatio Hornblower R.N.
Captain Horatio Hornblower R.N.
1951 · 7.0
It Started in Paradise
It Started in Paradise
1952 · 6.5
The Curse of the Mummy's Tomb
The Curse of the Mummy's Tomb
1964 · 5.5
Mandy
Mandy
1952 · 7.1
The Sea Pirate
The Sea Pirate
1966 · 6.1
Encore
Encore
1951 · 6.2
See all fromTerence Morgan

More from Joan Rice · Co-star actress

Ivanhoe
Ivanhoe
1958 · 6.4
His Majesty O'Keefe
His Majesty O'Keefe
1954 · 6.4
Curtain Up
Curtain Up
1952 · 7.2
The Story of Robin Hood and His Merrie Men
The Story of Robin Hood and His Merrie Men
1952 · 6.2
Payroll
Payroll
1961 · 6.8
One Good Turn
One Good Turn
1955 · 6.2
Gift Horse
Gift Horse
1952 · 6.6
The Horror of Frankenstein
The Horror of Frankenstein
1970 · 5.9
The Postman
The Postman
1952
One Wild Oat
One Wild Oat
1951 · 5.2
See all fromJoan Rice

More from Robert S. Baker · Director

The Saint
The Saint
1962 · 7.4
The Hellfire Club
The Hellfire Club
1961 · 5.4
The Secret of Monte Cristo
The Secret of Monte Cristo
1961 · 4.3
Jack the Ripper
Jack the Ripper
1959 · 6.2
Melody Club
Melody Club
1949 · 7.3
Blackout
Blackout
1950 · 5.7
The Siege of Sidney Street
The Siege of Sidney Street
1960 · 4.5
13 East Street
13 East Street
1952 · 6.0
Passport to Treason
Passport to Treason
1956 · 6.0
See all fromRobert S. Baker

More like this

Deception
Deception
2008 · 6.0
The Commuter
The Commuter
2018 · 6.4
Play Dirty
Play Dirty
2025 · 6.6
The Organization
The Organization
1971 · 6.3
Exit Wounds
Exit Wounds
2001 · 5.9
Plunder Road
Plunder Road
1957 · 7.0
The 355
The 355
2022 · 6.0
The Good Neighbor
The Good Neighbor
2022 · 6.6
The Independent
The Independent
2022 · 6.5
The Operative
The Operative
2019 · 5.8
In the Blood
In the Blood
2014 · 5.8
The International
The International
2009 · 6.3

The Steel Key — streaming FAQ

Which OTT platform streams The Steel Key?

The Steel Key is streaming on Amazon Prime Video in United Kingdom, and available to rent or buy on Amazon Video. It's not currently on Netflix.

Is The Steel Key on Netflix?

No, The Steel Key is not on Netflix in United Kingdom as of September 2026. It's currently on Amazon Prime Video.

Is The Steel Key on Amazon Prime Video?

Yes — The Steel Key is included with an Amazon Prime Video subscription in United Kingdom as of September 2026.

Where can I watch The Steel Key for free?

The Steel Key is available on Amazon Prime Video in United Kingdom, but you'll need an active subscription — there's no free option right now.