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

Horror caccia ai terrestri actors and actresses include Darby Hinton, Jack Palance, Kevin Peter Hall, Larry Storch, Martin Landau。