Attack of the Unknown

Attack of the Unknown


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

Attack of the Unknown streaming: where to watch online?

Currently you are able to watch "Attack of the Unknown" streaming on Amazon Prime Video, fuboTV, Paramount Plus, Paramount Plus Apple TV Channel , Paramount+ Amazon Channel, MGM Plus Amazon Channel, MGM Plus or for free with ads on The Roku Channel, VUDU Free, Filmzie. It is also possible to rent "Attack of the Unknown" on Redbox, Amazon Video, Google Play Movies, YouTube, Vudu, Apple TV online and to download it on Amazon Video, Google Play Movies, YouTube, Vudu, Apple TV, Redbox.

Videos: Trailers, Teasers, Featurettes

Trailer Preview Image
Trailer Preview Image


Science-Fiction, Horror, Action & Adventure, Mystery & Thriller


1h 43min


Tara Reid
Robert LaSardo
Miguel 'Hades' Aguirre
Tasha Reign
Feature Dancer #1
Stacy Johnson
Associate Producer
Cheryl Prater
Nurse Kanani (Receptionist)
Mallorie Vanghel
Person on Street #6
Michael Forsch
Officer Bialek Hanson
Ronnie Nanos
Tattooed Prisoner
Kevin Hager
Vic Luther
Cira Valenzuela
Machine Gun Girl
Tamara Solomson
Officer Sisco
Sherrie Prose
News Reporter
Taylor Re Lynn
Weather Reporter
Mila Maximova
Woman Taking Selfies
Jennifer Granger
Woman Looking at Sky
Macarena Abad
Officer Ramos
Sélynne Silver
Frightened Businesswoman
Monica Camey
Frightened Woman
Kathleen Litteral
Person on Street #1
Michaelle LecCaire
Person on Street #3
Mary Ellen Devof
Person on Street #9
Valencia Gamble
Dead Body #3
Jerimiyah Dunbar
Machine Gun Guy
Mathew Lipisko
Medical Officer William Sneeden
Scott Butler
Edmund / Body Slam Alien
Alexander Hauck
Hell's Angel Reject (Loudmouth Inmate)