The Long Arm poster
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The Long Arm

6.919561h 36mNRMovieMysteryCrimeThriller

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

Availability shown for United States · rights vary by 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

The Wednesday Play
The Wednesday Play
1964 · 5.2
Dr. Kildare
Dr. Kildare
1961 · 5.7
Lawrence of Arabia
Lawrence of Arabia
1962 · 8.0
Hancock's Half Hour
Hancock's Half Hour
1956 · 7.4
The Bridge on the River Kwai
The Bridge on the River Kwai
1957 · 7.8
Ben-Hur
Ben-Hur
1959 · 7.9
Mystery and Imagination
Mystery and Imagination
1966 · 5.8
The Four Just Men
The Four Just Men
1959 · 7.7
Zulu
Zulu
1964 · 7.4
Armchair Theatre
Armchair Theatre
1956 · 6.0
See all fromJack Hawkins

More from John Stratton · Co-star actor

Doctor Who
Doctor Who
1963 · 7.9
BBC Play of the Month
BBC Play of the Month
1965 · 5.2
The Avengers
The Avengers
1961 · 7.8
The Wednesday Play
The Wednesday Play
1964 · 5.2
Z-Cars
Z-Cars
1962 · 7.3
Theatre 625
Theatre 625
1964 · 7.2
The Professionals
The Professionals
1977 · 7.6
ITV Saturday Night Theatre
ITV Saturday Night Theatre
1969 · 7.0
UFO
UFO
1970 · 7.7
Lovejoy
Lovejoy
1986 · 7.4
See all fromJohn Stratton

More from Charles Frend · Director

Danger Man
Danger Man
1960 · 7.3
Man in a Suitcase
Man in a Suitcase
1967 · 7.2
Interpol Calling
Interpol Calling
1959 · 7.2
Man of the World
Man of the World
1962 · 7.2
Scott of the Antarctic
Scott of the Antarctic
1948 · 7.2
The Sentimental Agent
The Sentimental Agent
1963 · 6.5
The Cruel Sea
The Cruel Sea
1953 · 6.9
Ryan's Daughter
Ryan's Daughter
1970 · 7.1
A Run for Your Money
A Run for Your Money
1949 · 6.2
Barnacle Bill
Barnacle Bill
1957 · 6.6
See all fromCharles Frend

More like this

The Glass Key
The Glass Key
1942 · 6.7
Black Angel
Black Angel
1946 · 6.1
Lady in the Lake
Lady in the Lake
1946 · 6.1
The Blue Lamp
The Blue Lamp
1950 · 6.6
The Mirror Crack'd
The Mirror Crack'd
1980 · 6.1
The Blue Gardenia
The Blue Gardenia
1953 · 6.5
Nightfall
Nightfall
1956 · 6.9
The Man Who Cheated Himself
The Man Who Cheated Himself
1950 · 6.2
Sapphire
Sapphire
1959 · 7.0
Blackmail
Blackmail
1929 · 6.5
Footsteps in the Fog
Footsteps in the Fog
1955 · 7.0
A Blueprint for Murder
A Blueprint for Murder
1953 · 6.2

The Long Arm — streaming FAQ

Which OTT platform streams The Long Arm?

The Long Arm isn't on any subscription service in United States right now, but you can rent or buy it on Amazon Video. It's not on Netflix.

Is The Long Arm on Netflix?

No, The Long Arm is not on Netflix in United States as of October 2026. You can rent or buy it on Amazon Video.

Is The Long Arm on Amazon Prime Video?

The Long Arm isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch The Long Arm for free?

The Long Arm isn't available free in United States; you can only rent or buy it on Amazon Video.