The Demon (1979)

South Africa, Netherlands,

A South African/Dutch horror film directed by Percival Rubens.

Plot Summary

A serial killer, known as The Demon, is slaughtering young women. The parents of one of his teenage victims hires a former marine with psychic powers to help track him down before he can kill again – but is the killer even human at all?


* = uncredited

Directed by: Percival Rubens
© [not given on screen]
A Hollard production. A Percival Rubens film
Executive Producer: David Dalling
Produced by: Percival Rubens
Associate Producers: Bernard Buys, Joe Steinberg
Written by: Percival Rubens
Director of Photography: Vincent Cox
Music: Nick Labushagne
Sound: Bernard Buys
Sound Recordist: Tony Benusan
Make-up/Wardrobe: Reggie Wollschlager
Locations: Cape Town, South Africa; Johannesburg, South Africa *

Jennifer Holmes (Mary)
Cameron Mitchell (Colonel Bill Carson)
Craig Gardner
Zoli Marki (Jo)
Peter J. Elliott
Moira Winslow (Joan Parker)
Mark Tanous
Diane Burmeister
George Korelin
Vera Blacker
John Parsonson
Ashleigh Sendin
Graham Kennard
April Galetti
Jannie Wienand
Amanda Wildman

Alternative Titles

Midnight Caller – USA
The Unholy – working title



  • Screen International no.252 (2-9 August 1980) p.8 – illustrated note (World news desk: South Africa by Rod Hay)


  • Hoffman's Guide to SF, Horror and Fantasy Movies 1991-1992 pp.98-99 – credits, review
  • Horror and Science Fiction Films III by Donald C. Willis p.71