The Long Arm poster
Where to stream

The Long Arm

7.019561h 36mMovieMysteryCrimeThriller

Scotland Yard detectives attempt to solve a spate of safe robberies across England beginning with clues found at the latest burglary in London. The film is notable for using a police procedural style made popular by Ealing in their 1950 film The Blue Lamp. It is known in the US as The Third Key.

DirectorCharles Frend
WritersRobert Barr·Janet Green
ProducerMichael Balcon

Where to watch

Not available in United Kingdom
Streaming in 24 other countries

The Long Arm isn't on any streaming service in United Kingdom right now, but it's available in Bulgaria, Croatia, Cyprus, Czechia and 20 more. Streaming rights are licensed per country.

Cast · Directed by Charles Frend

JHJack Hawkins
Jack Hawkins
Supt Tom Halliday
JSJohn Stratton
John Stratton
Sergeant Ward
DADorothy Alison
Dorothy Alison
Mary Halliday
MB
Michael Brooke
Tony Halliday
SKSam Kydd
Sam Kydd
Police Constable in Information Room
GHGlyn Houston
Glyn Houston
Detective Sergeant in 'Q' car
RLRichard Leech
Richard Leech
Nightwatchman / Gilson
NB
Newton Blick
Deputy Commander
GKGeoffrey Keen
Geoffrey Keen
Chief Superintendent Jim Malcolm
STSydney Tafler
Sydney Tafler
Stone
PBPeter Burton
Peter Burton
Creasey
GRGeorge Rose
George Rose
Slob

More from Jack Hawkins · Lead actor

Dr. Kildare
Dr. Kildare
1961 · 5.7
The Wednesday Play
The Wednesday Play
1964 · 5.2
Lawrence of Arabia
Lawrence of Arabia
1962 · 8.0
Hancock's Half Hour
Hancock's Half Hour
1956 · 7.4
Ben-Hur
Ben-Hur
1959 · 7.9
The Bridge on the River Kwai
The Bridge on the River Kwai
1957 · 7.8
Mystery and Imagination
Mystery and Imagination
1966 · 5.8
The Four Just Men
The Four Just Men
1959 · 7.7
Waterloo
Waterloo
1970 · 7.1
Zulu
Zulu
1964 · 7.4
See all fromJack Hawkins

More from John Stratton · Co-star actor

Doctor Who
Doctor Who
1963 · 7.9
The Avengers
The Avengers
1961 · 7.8
Z-Cars
Z-Cars
1962 · 7.3
BBC Play of the Month
BBC Play of the Month
1965 · 5.2
The Wednesday Play
The Wednesday Play
1964 · 5.2
The Professionals
The Professionals
1977 · 7.6
ITV Saturday Night Theatre
ITV Saturday Night Theatre
1969 · 7.0
Churchill's People
Churchill's People
1974 · 5.0
Theatre 625
Theatre 625
1964 · 7.2
The Troubleshooters
The Troubleshooters
1965 · 7.3
See all fromJohn Stratton

More from Charles Frend · Director

Danger Man
Danger Man
1960 · 7.3
Interpol Calling
Interpol Calling
1959 · 7.2
Man in a Suitcase
Man in a Suitcase
1967 · 7.2
Man of the World
Man of the World
1962 · 7.2
The Sentimental Agent
The Sentimental Agent
1963 · 6.5
Ryan's Daughter
Ryan's Daughter
1970 · 7.1
The Cruel Sea
The Cruel Sea
1953 · 6.9
Scott of the Antarctic
Scott of the Antarctic
1948 · 7.2
A Run for Your Money
A Run for Your Money
1949 · 6.2
The Loves of Joanna Godden
The Loves of Joanna Godden
1947 · 7.8
See all fromCharles Frend

More like this

Black Angel
Black Angel
1946 · 6.1
The Glass Key
The Glass Key
1942 · 6.7
Lady in the Lake
Lady in the Lake
1946 · 6.1
The Blue Lamp
The Blue Lamp
1950 · 6.6
The Naked City
The Naked City
1948 · 7.2
The Mirror Crack'd
The Mirror Crack'd
1980 · 6.1
The Man Who Cheated Himself
The Man Who Cheated Himself
1950 · 6.2
The Blue Gardenia
The Blue Gardenia
1953 · 6.5
Blackmail
Blackmail
1929 · 6.5
Nightfall
Nightfall
1956 · 6.9
Sapphire
Sapphire
1959 · 7.0
Obsession
Obsession
1949 · 6.8

The Long Arm — streaming FAQ

Which OTT platform streams The Long Arm?

The Long Arm isn't on any streaming service in United Kingdom yet, but it's available in Bulgaria, Cyprus and Czechia and other countries. Streaming rights differ by country — switch your country in the header to see where.

Is The Long Arm on Netflix?

No, The Long Arm is not on Netflix in United Kingdom as of November 2026.

Is The Long Arm on Amazon Prime Video?

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

Where can I watch The Long Arm for free?

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