Underworld (also called Transmutations) is a 1985 British horror film directed by George Pavlou, written by Clive Barker and James Caplin, and starring Denholm Elliott, Nicola Cowper, Steven Berkoff, Larry Lamb, Ingrid Pitt, Irina Brook and Art Malik. The film's music was produced by Welsh new wave band Freur, which later evolved into the band Underworld, their name taken from the film's title.