
Underworld
- Blwyddyn: 2003
- Gwlad: United States of America
- Genre: Fantasy, Action, Thriller
- Stiwdio: Screen Gems, Lakeshore Entertainment
- Allweddair: budapest, hungary, love of one's life, vampire, subway, hostility, bite, descendant, hybrid, rivalry, shootout, werewolf, gothic, dark fantasy, lycanthrope, urban gothic, supernatural power, admiring
- Cyfarwyddwr: Len Wiseman
- Cast: Kate Beckinsale, Scott Speedman, Michael Sheen, Shane Brolly, Bill Nighy, Erwin Leder