The great hypnotist Professor Montserrat has developed a technique for controlling the minds, and sharing the sensations, of his subjects. He and his wife Estelle test the technique on Mike Roscoe, and enjoy 'being' the younger man. But Estelle soon grows to love the power of controlling Roscoe, and the vicarious pleasures that provides. How far will she go, and can the Professor restrain her in time?
Boris Karloff
as Prof. Marcus Monserrat
Catherine Lacey
as Estelle Monserrat
Elizabeth Ercy
as Nicole
Ian Ogilvy
as Mike Roscoe
Victor Henry
as Alan
Sally Adams
as Laura Ladd
Meier Tzelniker
as The Jewish Baker
Gerald Campion
as Customer in China Shop
Susan George
as Audrey Woods
Ivor Dean
as Insp. Matalon
Peter Fraser
as Detective George
Martin Terry
as Tobacconist
