

09/11/1957
American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.

Dana Andrews
as Dr. John Holden

Peggy Cummins
as Joanna Harrington

Niall MacGinnis
as Dr. Julian Karswell

Maurice Denham
as Professor Henry Harrington

Athene Seyler
as Mrs. Karswell

Liam Redmond
as Professor Mark O'Brien

Reginald Beckwith
as Mr. Meek

Ewan Roberts
as Lloyd Williamson

Peter Elliott
as Professor K.T. Kumar

Rosamund Greenwood
as Mrs. Meek

Brian Wilde
as Rand Hobart

Richard Leech
as Inspector Mottrarn

Lloyd Lamble
as Detective Simmons

Peter Hobbes
as Superintendent

Charles Lloyd Pack
as Chemist

John Salew
as Librarian

Janet Barrow
as Mrs. Hobart

Percy Herbert
as Farmer

Lynn Tracy
as Air Hostess

John Harvey
as Hobart's Brother

Alan Beaton
as

Hyma Beckley
as

Ballard Berkeley
as

Ernest Blyth
as

Wallace Bosco
as

Daniel Brown
as

Jimmy Cains
as

George Curtis
as

Richard Duke
as

Shay Gorman
as

Laurence Hepworth
as

Walter Horsbrugh
as

Arthur Howell
as

Anthony John
as

Dan Lester
as

Leonard Llewellyn
as

Michael Peake
as

Paul Phillips
as

Anthony Richmond
as

Peggy Scott Sanders
as

Terry Sartain
as

Leonard Sharp
as

Bert Simms
as

Robert Brooks Turner
as
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