An astronaut gets infected with alien DNA during the first mission on Mars and runs amok on earth. Preston and Laura team up with a peaceful, genetically re-engineered Sil to track the monster down.
Stars
Michael Madsen
Natasha Henstridge
Marg Helgenberger
Mykelti Williamson
George Dzundza
James Cromwell
Justin Lazard
Myriam Cyr
Peter Medak
