London is terrorized by a vicious sex killer known as The Necktie Murderer. Following the brutal slaying of his ex-wife, down-on-his-luck Richard Blaney is suspected by the police of being the killer. He goes on the run, determined to prove his innocence.
Jon Finch
as Richard Ian Blaney
Barry Foster
as Robert Rusk
Barbara Leigh-Hunt
as Brenda Margaret Blaney
Anna Massey
as Barbara Jane 'Babs' Milligan
Alec McCowen
as Chief Inspector Tim Oxford
Vivien Merchant
as Mrs. Oxford
Billie Whitelaw
as Hetty Porter
Clive Swift
as Johnny Porter
Bernard Cribbins
as Felix Forsythe
Michael Bates
as Sergeant Spearman
Jean Marsh
as Monica Barling
Madge Ryan
as Mrs. Davison
