Top Cast
Donald Pleasence
Inspector Calhoun
Norman Rossington
Det.Sgt. Rogers
David Ladd
Alex Campbell
Sharon Gurney
Patricia Wilson
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Hugh Armstrong
The "Man"
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June Turner
The "Woman"
Clive Swift
Inspector Richardson
James Cossins
James Manfred O.BE.
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Heather Stoney
P.C.W. Alice Marshall
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Hugh Dickson
Dr. Bacon
