Without Warning
- annos singulos: 1980
- Patriam: United States of America
- genus: Horror, Science Fiction
- Studio: Heritage Enterprises Inc., World Amusement Partnership #106, Filmways Pictures
- keyword: california, lake, predator, paranoia, wilderness, forest, alien, cabin, creature, space monster, alien attack, human prey, prey
- Director: Greydon Clark
- cast: Tarah Nutter, Christopher S. Nelson, Jack Palance, Martin Landau, Sue Ane Langdon, Neville Brand