Fire on Sight (1984)

A crew of interplanetary archaeologists is threatened when an alien creature impregnates one of their members, causing her to turn homicidal and murder them one by one.

A fashionable playwright-director offers roles to two young actresses. Shortly after accepting, the actresses notice strange clauses in their contract – namely they must live at the director’s large appartment during rehearsals. Soon thereafter, the mysteries, hallucinations and rivalries begin.

The monstrous offspring of a violent crime grows up in seclusion on a remote island, where a boat-full of hapless teens have shipwrecked, unaware of what's lurking in the woods.