- Country: UK
- Genres: Action, Horror, Sci-Fi
- Release: 1986-04-18
- Director: George Pavlou
- Writers: Clive Barker , James Caplin
- Language: English
- Stars: Denholm Elliott (1922–1992) , Steven Berkoff , Larry Lamb , Nicola Cowper , Irina Brook , Art Malik , Brian Croucher , Ingrid Pitt , Trevor Thomas , Clive Panto
- Runtime: 103 min
- Awards: N/A
- AKA: Transmutations (France, French Republic) , Mundo subterráneo (Spain) , Angel Death (Finland) , Underworld (Italy) , Clive Barker's Underworld (Germany) , Subterrâneos - A Revolta dos Mutantes (Brazil) , Underworld (Canada) , Podzemni svet (Serbia) , O Túnel do Terror (Portugal, Portuguese Republic) , Habitantes del infierno (Mexico) , Transmutations (United States of America) , Transmutations (Canada) , Underworld , Underworld Diaries (Germany) , Подземный мир , Underworld (United Kingdom)
- Plot: When high class hooker Nicole is kidnapped from her brothel, Rich businessman Hugo Motherskille hires her ex love Roy Bain to find her. Investigating the disappearance, he eventually finds traces that lead to Dr. Savary, who has produced a strange white powder that's coveted by a race of deformed human beings who live in the underworld in the sewers below the city.
- IMDB:tt0090233
Underworld Cast · · · ALL
George Pavlou
Director
Denholm Elliott
(1922–1992)
Dr. Savary
Steven Berkoff
Hugo Motherskille
Nicola Cowper
Nicole
Larry Lamb
Roy Bain
Irina Brook
Bianca
Art Malik
Fluke
Brian Croucher
Darling
Ingrid Pitt
Pepperdine
Trevor Thomas
Ricardo
Clive Panto
Abbott
Sean Chapman
Buchanan
Candy Davis
Barmaid
Karen Gould
Dancer
Jeanette Landry
Dancer
Mark West
Dancer
Gary Olsen
Red Dog
Paul Bown
Nygaard
Phil Davis
Lazarus
Miranda Richardson
(I)
Oriel
Paul Mari
Dudu
Philip Tan
Tung
Tina Maskell
Chevron
Jim Dowdall
Underworlder #1
Matthew Zajac
Underworlder #2