Alien Nation is a 1988 American science fiction action film directed by Graham Baker. The ensemble cast features James Caan, Mandy Patinkin and Terence Stamp. The film depicts the assimilation of the Newcomers, an alien race settling in Los Angeles, much to the dismay of the local population. The plot integrates the buddy cop film genre with a science fiction theme, centering on a union between a veteran police detective Matthew Sykes (Caan) and Sam "George" Francisco (Patinkin), the first Newcomer detective. Sykes and Francisco probe the criminal underworld of the Newcomers as they attempt to solve a homicide.