Spectre
An occult criminologist investigates a businessman who dabbles in the black arts while trying to survive against a powerful demon and an evil cult.
Cast: Robert Culp, Gig Young, John Hurt, Gordon Jackson, Ann Bell, James Villiers, Majel Barrett, Jenny Runacre, Angela Grant, Penny Irving, Vicki Michelle, Lindy Benson, Sally Farmiloe
Crew: Clive Donner (Director), Gene Roddenberry (Screenplay), Gene Roddenberry (Story), Samuel A. Peeples (Screenplay), Gordon Scott (Producer)