Without Warning

Sandy (Tarah Nutter) and Greg (Christopher S. Nelson) go camping with their friends: Tom (David Caruso) and his girlfriend Beth. During their camping trip, Tom and Beth are killed by an invading alien. Now stranded in a town under siege by aliens Greg and Sandy team up with a local hunter, Joe Taylor (Jack Palance) to save the town, but unfortunately for them, Taylor fixated on hunting down the hostile alien threatening them, and a former Vietnam war veteran, Fred Hobbs (Martin Landau), is convinced that Sandy and Greg are the aliens!