Paranormal novelist Gideon Harlax is drawn into a battle between the forces of good, represented by alien angel Helith, and the forces of evil, represented by Helith's evil brother Asrael. Ranging from Oxford to Denmark, a North Sea ferry to an alien planet, Harlax unwittingly becomes part of an ancient plot that may result in the destruction of Earth...
| Actor | Role |
|---|---|
 Hywel BennettGideon Harlax | Gideon Harlax |
| DDinah StabbGwen Meredith | Gwen Meredith |
 Dan O'HerlihyAlbrecht Von Drachenfels | Albrecht Von Drachenfels |
 StingHelith | Helith |
 Anthony SteelTristram Guise | Tristram Guise |
 Roland CurramAsrael | Asrael |
 Ian RedfordJed Thaxter | Jed Thaxter |
 Ingrid PittHitchcock Blonde | Hitchcock Blonde |
 Daniel Day-LewisLibrary Student | Library Student |
| MMargaret WhitingLaura Guise | Laura Guise |
| MMary Ellen RaySonia | Sonia |
| CCornelius GarrettPastor | Pastor |
| SSiv BorgPastor's Wife | Pastor's Wife |
| FFrode BergPastor's Son | Pastor's Son |
| SSylvia ColeridgeLibrary Scholar | Library Scholar |
| SSevilla DelofskiMagog | Magog |
| PPatricia GallimoreNurse | Nurse |
| EEleanor ForsytheMother | Mother |
| PPhil ParrySubaltern | Subaltern |
| MMichael TracyWhitecoat | Whitecoat |
 Ysanne ChurchmanRadio Announcer | Radio Announcer |
| WW. Claydon SmithDanish Cyclist | Danish Cyclist |
| NNiels-Henrik DreesenDanish Cyclist | Danish Cyclist |
| RRigmor MollerDanish Woman | Danish Woman |
 Alison HammondFamily Daughter (uncredited) | Family Daughter (uncredited) |