High Treason (1951)

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Communist saboteurs plot peace-time attack on Britain.


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Credited cast:
Liam Redmond ...
Cmdr. Robert Brennan
Anthony Bushell ...
Maj. Elliott
Kenneth Griffith ...
Jimmy Ellis
Patric Doonan ...
George Ellis
Joan Hickson ...
Mrs. Ellis
Anthony Nicholls ...
Grant Mansfield
Mary Morris ...
Anna Braun
Geoffrey Keen ...
Morgan Williams
Stuart Lindsell ...
John Bailey ...
Mrs. Bowers
Charles Lloyd Pack ...
Percy Ward
Laurence Naismith ...
Reginald Gordon-Wells
Rest of cast listed alphabetically:
Julian Amyes


Communist saboteurs plot peace-time attack on Britain.

Plot Summary | Add Synopsis

Plot Keywords:

british noir | See All (1) »


Crime | Drama | Thriller


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Release Date:

20 May 1952 (USA)  »

Also Known As:

Alta Traição  »

Company Credits

Production Co:

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Technical Specs


Sound Mix:

(Western Electric Recording)

Aspect Ratio:

1.37 : 1
See  »

Did You Know?


When Kenneth Griffith climbs into the attic and uses the wireless, his Morse code is accurate. He sends out an SOS and calls "all large power stations." See more »


Cmdr. Robert Brennan: We have a saying in Ireland that he who sees the dawn catches the herring.
Supt. Folland: There's a saying in China that he who goes to bed early to save candle light begets twins.
See more »

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User Reviews

Scotland Yard vs. Commie saboteurs
27 November 2010 | by (United States) – See all my reviews

An otherwise workmanlike British thriller with familiar overtones of anti-Communist paranoia is salvaged by a lively script that underplays the bellicose propagandizing of other, similar witch-hunts. The emphasis instead is on action and character and some colorful local dialogue, as a network of saboteurs infiltrates the highest (and lowest) levels of democracy with nefarious plots to undermine England's power structure. The enemy agents are never precisely identified (it's clear who they are long before the authorities catch them 'Red' handed), and of course they're no match for the stiff upper lips of Scotland Yard, although it takes an extended gun battle at the Battersea power station to prove it. The film was less flattering and thus less popular than its predecessor, 'Seven Days to Noon', but seen today it remains an enjoyable, well-crafted relic from the warmer days of the Cold War.

6 of 8 people found this review helpful.  Was this review helpful to you?

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