英国的伦敦郊区的一个小城上发生了连环杀人事件，罪犯总是逃脱后还留下蛛丝马迹供给警探们追查，到底幕后是谁在操纵？
Christopher Plummer
Sherlock Holmes
James Mason
Dr. Watson
David Hemmings
Inspector Foxborough
Susan Clark
Mary Kelly
Anthony Quayle
Sir Charles Warren
John Gielgud
Prime Minister
Frank Finlay
Inspector Lestrade
Donald Sutherland
Robert Lees
Geneviève Bujold
Annie Crook
Chris Wiggins
Dr. Hardy
Tedde Moore
Mrs. Lees
Catherine Kessler
Carrie
Terry Duggan
Danny
Peter Jonfield
William Slade
