
When Environmental Protection Agency inspector Steve Malone travels to a remote military base in order to check for toxic materials, he brings his family along for the ride. After arriving at the base, his teenage daughter Marti befriends Jean Platt, daughter of the base's commander, General Platt. When people at the base begin acting strangely, Marti becomes convinced that they are slowly being replaced by plant-like aliens.

as Steve Malone

as Carol Malone

as Marti Malone

as Andy Malone

as Tim Young

as Jenn Platt

as General Platt

as Mrs. Platt

as Major Collins

as Pete

as Platt's Aide

as Teacher

as Soldier Gas Station

as Gas Attendant

as MP Gate Captain

as MP #1

as MP #2

as Soldier #1

as Red

as Neighbor

as MP #3

as Medic

as Man in Infirmary

as MP #4

as MP #5

as Pod Soldier

as G.I. #1

as G.I. #2

as Alien Woman

as Pod Person (uncredited)

as Marine Pilot (uncredited)