Ultraviolet is a 1998 British television serial written and directed by Joe Ahearne and starring Jack Davenport, Susannah Harker, Idris Elba and Philip Quast. It was produced by World Productions for Channel 4.
The series follows Detective Sergeant Michael Colefield (Jack Davenport). Michael discovers that his partner Jack (Stephen Moyer) has gone missing on the night before his wedding to Kirsty (Collette Brown) whom Michael is secretly in love with. As he investigates Jack's disappearance, Michael uncovers a secret government vampire hunting squad consisting of soldier Vaughn Rice (Idris Elba), scientist Angela March (Susannah Harker), and a Catholic priest Pearse J Harman (Philip Quast). He also discovers that Jack has been turned into a vampire and ends up being recruited into the squad. Over the course of the series Michael and the vampire hunters investigate various vampire related cases, often involving medical experimentation, as they try to determine what the mysterious agenda of the vampires is. As they do so they deal with the personal consequences of their job including Michael's need to hide the truth from Kirsty, Angela's grief over her husband who was killed after he turned into a vampire, and Pearse's diagnosis of fatal leukemia.