Bad Moon

Genre: Horror
Director: Eric Red
Writer: Eric Red
Cast: Michael Pare, Mariel Hemingway, and Ken Pogue

Synopsis:

During an expedition, an adventurous photojournalist (Michael Pare) encounters a horrific, half-human beast that murders his girlfriend. While returning home, his sister Janet (Mariel Hemingway) notices a disturbing change in her brother and becomes concerned.