The Fourth War poster
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The Fourth War

5.319901h 31mMovieDramaThrillerWar

Cold War adversaries Col. Jack Knowles and his Russian counterpart, Col. Valachev, are stationed on opposite sides of the German-Czech border. Both men are responsible for a group of troops in their remote settings, and both have been…

DirectorJohn Frankenheimer
WritersStephen Peters·Kenneth Ross
ProducersWolf Schmidt·William Stuart

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 John Frankenheimer

RSRoy Scheider
Roy Scheider
Col. Jack Knowles
JPJürgen Prochnow
Jürgen Prochnow
Col. Valachev
TRTim Reid
Tim Reid
Lt. Col. Clark
LHLara Harris
Lara Harris
Elena
HSHarry Dean Stanton
Harry Dean Stanton
Gen. Hackworth
DDDale Dye
Dale Dye
Sergeant Major
WMWilliam MacDonald
William MacDonald
MP Corporal
DPDavid Palffy
David Palffy
Gawky Soldier
NG
Neil Grahn
Needle-Nose Soldier
EJErnie Jackson
Ernie Jackson
Knowles Driver
RC
Ron Campbell
Young US Soldier
JD
John Dodds
Defector

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More from Jürgen Prochnow · Co-star actor

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More from John Frankenheimer · Director

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The Fourth War — streaming FAQ

Which OTT platform streams The Fourth War?

The Fourth War is streaming on Amazon Prime Video in United Kingdom. It's not currently on Netflix.

Is The Fourth War on Netflix?

No, The Fourth War is not on Netflix in United Kingdom as of November 2026. It's currently on Amazon Prime Video.

Is The Fourth War on Amazon Prime Video?

Yes — The Fourth War is included with an Amazon Prime Video subscription in United Kingdom as of November 2026.

Where can I watch The Fourth War for free?

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