Selene only serves as a minor character in a film written by Danny McBride.
Selene , portrayed by British actress Kate Beckinsale , is a fictional character and the main protagonist of the Underworld film series . More specifically , she serves as the central character in the films Underworld ( 2003 ) , Underworld : Evolution ( 2006 ) , Underworld : Awakening ( 2012 ) , and Underworld : Blood Wars ( 2016 ) . Underworld is a 2003 action horror film directed by Len Wiseman and written by Danny McBride , based on a story by McBride , Kevin Grevioux , and Wiseman . The main plot revolves around Selene ( Kate Beckinsale ) , a vampire Death Dealer hunting Lycans .