Masters of Magic: The World of Chandu
2008 · Self
Man In the Attic: The Making of "The Lodger"
2007 · Self
Concerto Macabre: The Films of John Brahm
2007 · Self
The Tragic Mask: The Laird Cregar Story
2007 · Self
Lugosi: The Dark Prince
2006 · Self
Karloff: The Gentle Monster
2006 · Self
Powers
2004 · Writer
To the Devil... The Death of Hammer
2002
On Dangerous Ground
1996 · Screenplay
Dream Demon
1988 · Writer
Absolute Beginners
1986 · Screenplay
Lady Chatterley's Lover
1981 · Writer
The Professionals
1977 · Writer
To the Devil a Daughter
1976 · Screenplay
Venom
1974 · Additional Dialogue
Medusa
1973 · Writer
Demons of the Mind
1972 · Writer
Demons of the Mind
1972 · Original Story
Blood from the Mummy's Tomb
1971 · Screenplay
Murders in the Rue Morgue
1971 · Writer
Cry of the Banshee
1970 · Screenplay
Scream and Scream Again
1970 · Screenplay
The Oblong Box
1969 · Dialogue
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