A research team from an electronics company move into an old Victorian house to start work on finding a new recording medium. When team member Jill Greeley witnesses a ghost, team director Peter Brock decides not only to analyse the apparition, which he believes is a psychic impression trapped in a stone wall (dubbed a "stone tape"), but to exorcise it too - with terrifying results...
Michael Bryant
as Peter Brock
Jane Asher
as Jill Greeley
Iain Cuthbertson
as Roy Collinson
Michael Bates
as Eddie Holmes
Reginald Marsh
as Crawshaw
Tom Chadbon
as Hargrave
John Forgeham
as Maudsley
Philip Trewinnard
as Stewart Jessop
James Cosmo
as Cliff Dow
Neil Wilson
as Sergeant Paterson
Christopher Banks
as Vicar
Michael Graham Cox
as Alan
