The Sorcerers [1967]

Director: Michael Reeves
Cast: Boris Karloff (“Professor Marcus Monserrat”), Catherine Lacey (“Estelle Monserrat”), Ian Ogilvy (“Mike Roscoe”), Elizabeth Ercy (“Nicole”), Susan George (“Audrey Woods”)
Plot: Things go all to shit when a legendary hypnotist and his increasingly unhinged wife develop a technique for gaining control of the mind of a young hedonist.
Quote: “He Turns The On … He Turns Them Off … to life … love … die or KILL!”
Trivia: The Sorcerers was the second of three films (the other two being The She Beast and Witchfinder General) directed by Reeves, who tragically died of an accidental barbiturate overdose at the age of 25 in 1969.