Documentaries
The Blood Tide
1998
as Self
Directing
Captain Kronos: Vampire Hunter
1974
Director
Production
Escapade
1978
Producer
Captain Kronos: Vampire Hunter
1974
Producer
Dr. Jekyll & Sister Hyde
1971
Producer
And Soon the Darkness
1970
Producer
Writing
Surgery
2015
Writer
And Soon the Darkness
2010
Original Story
Jane Doe: How to Fire Your Boss
2007
Story
Justine: A Private Affair
1995
Writer
Perry Mason: The Case of the Heartbroken Bride
1992
Teleplay
Perry Mason: The Case of the Heartbroken Bride
1992
Story
Perry Mason: The Case of the Reckless Romeo
1992
Writer
Perry Mason: The Case of the Glass Coffin
1991
Writer
Highlander II: The Quickening
1991
Story
Timestalkers
1987
Teleplay
The Sweet Scent of Death
1984
Writer
Mark of the Devil
1984
Writer
The Watcher in the Woods
1980
Screenplay
The Masqueraders
1980
Writer
Escapade
1978
Writer
Dial a Deadly Number
1975
Writer
Death in Deep Water
1975
Writer
Kill Two Birds
1975
Writer
Sleepwalker
1975
Writer
Nightmare for a Nightingale
1975
Writer
The Next Victim
1975
Writer
A Midsummer Nightmare
1975
Writer
Murder Motel
1975
Writer
The Next Voice You See
1975
Writer
Good Salary, Prospects, Free Coffin
1975
Writer
If It's a Man – Hang Up!
1975
Writer
Won't Write Home, Mom–I'm Dead
1975
Writer
The Crazy Kill
1975
Writer
Where the Action Is
1975
Writer
Nurse Will Make It Better
1975
Writer
Night is the Time For Killing
1975
Writer
A Killer With Two Faces
1974
Writer
A Killer in Every Corner
1974
Writer
Screamer
1974
Writer
Come Out, Come Out, Wherever You Are
1974
Writer
The Next Scream You Hear
1974
Writer
A Coffin for the Bride
1974
Writer
In the Steps of a Dead Man
1974
Writer
Death to Sister Mary
1974
Writer
Sign it Death
1974
Writer
Captain Kronos: Vampire Hunter
1974
Writer
I'm the Girl He Wants to Kill
1974
Writer
K is for Killing
1974
Writer
One Deadly Owner
1974
Writer
Kiss Me and Die
1974
Writer
Once the Killing Starts
1974
Writer
The Golden Voyage of Sinbad
1973
Screenplay
The Golden Voyage of Sinbad
1973
Story
Ring Once for Death
1973
Writer
Spell of Evil
1973
Writer
The Eyes Have It
1973
Writer
A Place to Die
1973
Writer
The Colour of Blood
1973
Writer
Someone at the Top of the Stairs
1973
Writer
Possession
1973
Writer
The Persuaders!
1973
Writer
Lady Killer
1973
Writer
An Echo of Theresa
1973
Writer
The Woman Hunter
1972
Writer
The Woman Hunter
1972
Story
Dr. Jekyll & Sister Hyde
1971
Screenplay
See No Evil
1971
Writer
And Soon the Darkness
1970
Screenplay
The Corrupt Ones
1967
Screenplay
Curse of the Voodoo
1965
Screenplay
Station Six-Sahara
1963
Screenplay
The Pursuers
1961
Story
The Court Martial of Major Keller
1961
Story
Fate Takes a Hand
1961
Writer
Two Wives at One Wedding
1961
Writer
Tarnished Heroes
1961
Writer
Highway to Battle
1961
Writer
Return of a Stranger
1961
Writer
The Tell-Tale Heart
1960
Writer
Identity Unknown
1960
Writer
Top Floor Girl
1959
Writer
A Woman's Temptation
1959
Writer
Mission in Morocco
1959
Screenplay
High Jump
1959
Writer
Innocent Meeting
1959
Story
The Child and the Killer
1959
Story
The Great Van Robbery
1959
Writer
The Secret Man
1958
Screenplay
Three Crooked Men
1958
Story
A Woman Possessed
1958
Story
A Woman of Mystery
1958
Screenplay
The Depraved
1957
Writer
At the Stroke of Nine
1957
Screenplay
The Betrayal
1957
Writer