Attack of the Unknown poster
Where to stream

Attack of the Unknown

4.320201h 43m15MovieActionScience FictionHorror

A SWAT team transporting a vicious crime syndicate boss must fight their way out of a county detention center during a catastrophic alien invasion.

DirectorBrandon Slagle
WritersBrandon Slagle·Michael Mahal
ProducersMichael Mahal·Sonny Mahal

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with AdsRakuten TVRakuten TVTubi TVTubi TVAmazon Prime Video Free with AdsAmazon Prime Video Free with AdsPlexPlex
Availability shown for United Kingdom · rights vary by country

Cast · Directed by Brandon Slagle

TRTara Reid
Tara Reid
Elizabeth
RLRobert LaSardo
Robert LaSardo
Miguel 'Hades' Aguirre
RGRichard Grieco
Richard Grieco
Vernon
TFTania Fox
Tania Fox
Cuffs
JAJolene Andersen
Jolene Andersen
Hannah
RSRoberta Sparta
Roberta Sparta
Nurse
DTDouglas Tait
Douglas Tait
Maddox
SJ
Stacy Johnson
Associate Producer
EJ
Elizabeth Noelle Japhet
Boudreux
CPCheryl Prater
Cheryl Prater
Nurse Kanani (Receptionist)
MVMallorie Vanghel
Mallorie Vanghel
Person on Street #6
MS
Mia ScozzaFave
Axel

More from Tara Reid · Lead actress

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See all fromTara Reid

More from Robert LaSardo · Co-star actor

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Law & Order
1990 · 7.3
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CSI: Crime Scene Investigation
2000 · 7.6
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Bones
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Cold Case
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1998 · 5.3
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2002 · 8.2
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More from Brandon Slagle · Director

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Arena Wars
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Battle for Saipan
Battle for Saipan
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Breakout
Breakout
2023 · 5.3
The Dawn
The Dawn
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Crossbreed
Crossbreed
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Area 51 Confidential
Area 51 Confidential
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VIViD
VIViD
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Dead Sea
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2014 · 3.7
See all fromBrandon Slagle

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Attack of the Unknown — streaming FAQ

Which OTT platform streams Attack of the Unknown?

Attack of the Unknown is streaming on Amazon Prime Video, Rakuten TV and Tubi TV in United Kingdom, and available to rent or buy on Apple TV Store and Amazon Video. It's not currently on Netflix.

Is Attack of the Unknown on Netflix?

No, Attack of the Unknown is not on Netflix in United Kingdom as of September 2026. It's currently on Amazon Prime Video and Rakuten TV.

Is Attack of the Unknown on Amazon Prime Video?

Yes — Attack of the Unknown is included with an Amazon Prime Video subscription in United Kingdom as of September 2026.

Where can I watch Attack of the Unknown for free?

Attack of the Unknown is available to stream free (with ads) on Rakuten TV and Tubi TV in United Kingdom.