Alien Encounters was released in the year 1980。Alien Encounters is also called as Without Warning, Terreur extraterrestre, Llegan sin avisar, It Came Without Warning, Ilman varoitusta, Horror caccia ai terrestri, Geheimnis der fliegenden Teufel, Alien Warning, Alien Shock。

Alien Encounters actors and actresses include Darby Hinton, Jack Palance, Kevin Peter Hall, Larry Storch, Martin Landau。