Attack of the Unknown
A SWAT team transporting a vicious crime syndicate boss must fight their way out of a county detention center during a catastrophic alien invasion.
Where to Stream
Stream in 15 countries
Sorted by distance from 
United States
US United States
MX Mexico
CA Canada
CO Colombia
IE Ireland
GB United Kingdom
BR Brazil
DE Germany
CH SwitzerlandShowing 10 of 15 countries.
Cast, directors & writers
Tara Reid
Elizabeth
Robert LaSardo
Miguel 'Hades' Aguirre
Richard Grieco
Vernon
Tania Fox
Cuffs
Jolene Andersen
Hannah
Tasha Reign
Feature Dancer #1
Roberta Sparta
Nurse
Douglas Tait
Maddox
Stacy Johnson
Associate Producer
Elizabeth Noelle Japhet
Boudreux
Cheryl Prater
Nurse Kanani (Receptionist)
Mallorie Vanghel
Person on Street #6
Mia ScozzaFave
Axel
Robert Donavan
Weller
Michael Forsch
Officer Bialek Hanson
Ronnie Nanos
Tattooed Prisoner
Kevin Hager
Vic Luther
Gerardo de Pablos
C-Los
Cira Valenzuela
Machine Gun Girl
Rachael Christenson
Agent Caprice
Sonny Mahal
Writer
Michael Mahal
Writer
Brandon Slagle
Writer · Director
Keywords
About streaming Attack of the Unknown worldwide
Our listings show subscription, free or ad-supported streaming for Attack of the Unknown in 15 countries. Providers and access requirements vary by country.
In United States, the listed subscription streaming options for Attack of the Unknown are Amazon Prime Video and Amazon Prime Video with Ads.
Hoopla is listed with a free streaming offer for Attack of the Unknown in United States. Check the service for account requirements.
Ad-supported streaming is listed on Pluto TV and Tubi TV in United States. Check the provider for access requirements.
Our listings also show streaming in 14 other countries, including Mexico, Canada, and Colombia. Follow the country guides below to compare providers.
Tubi TV is also listed in Mexico. Catalogs and season coverage can differ between countries.
Automatically summarized from TMDB watch-provider listings supplied by JustWatch. Listings fetched . Streaming availability can change. Rental and purchase offers are not included.