Without Warning
- Blwyddyn: 1980
- Gwlad: United States of America
- Genre: Horror, Science Fiction
- Stiwdio: Heritage Enterprises Inc., World Amusement Partnership #106, Filmways Pictures
- Allweddair: california, lake, predator, paranoia, wilderness, forest, alien, cabin, creature, space monster, alien attack, human prey, prey
- Cyfarwyddwr: Greydon Clark
- Cast: Tarah Nutter, Christopher S. Nelson, Jack Palance, Martin Landau, Sue Ane Langdon, Neville Brand