Fourth of the six INNER SANCTUM features, shot June 19-July 1, 1944, and released June 29, 1945, on a double bill with "The Jungle Captive, " both copyrighted 1944.
Part of the original Shock Theater package of 52 titles released to television in 1957, followed a year later with SON OF SHOCK, which added 20 more features.
When George lights a cigarette he holds it between his first two fingers; when the angle changes he's suddenly holding it cupped in his palm by his thumb and index finger.
In the opening scene, stage hypnotist Alex Gregor invites a drunken heckler to the stage and attempts to hypnotize him. A real stage hypnotist would never work with a subject who was under the influence because alcohol interferes with the brain's ability to receive hypnotic suggestions.