Species II is a 1998 American science fiction horror thriller film directed by Peter Medak. The film is a sequel to Species (1995) and the second installment in the Species series. The film stars Natasha Henstridge, Michael Madsen, and Marg Helgenberger, all of whom reprise their roles from the first film. The plot has Patrick Ross, (Justin Lazard) the astronaut son of a senator (James Cromwell), being infected by an extraterrestrial virus during a mission to Mars and causing the deaths of many women upon his return. To stop him, the scientists who created the human-extraterrestrial hybrid Sil in the original Species try using a more docile clone of hers, Eve (Henstridge).