
Several murders of nuclear scientists, that baffles Scotland Yard, occur in London around the same time that Bill Locklin, a special officer from the United States State Department, arrives to oversee the transfer of Professor Leon Dushenko, a Russian scientist who has fled the USSR. An attempt on Dushenko's life is made with a monkey's paw-print found at the scene.
Cast

Richard Conte
Bill Locklin

Rona Anderson
Julia Jackson

Russell Napier
Supt. John Harrington
Sylva Langová
Hilde Heller, chief spy

Colin Gordon
Harry Martin - reporter

Donald Bisset
Editor Harris
John King-Kelly
Spy Henchman
Bernard Rebel
Vinson - Spy Henchman

Arnold Marlé
Prof. Leon Dushenko

John Horsley
Det. Sgt. Gibson

Jane Welsh
Supt. McCollum - sanitarium

Aimée Delamain
Mrs. Henley
Crew

Ken Hughes
Director, Screenplay
James Eastwood
Screenplay
Eric Maschwitz
Story
Inman Hunter
Editor
Geoffrey Muller
Editor
Josef Ambor
Director of Photography
Fred Ruff
First Assistant Director
John Smith
Second Assistant Director
Ron Robson
Camera Operator
Alice McLaren
Wardrobe Master
Jack Craig
Makeup Artist
Dick Smith
Sound Supervisor, Sound Recordist
Sidney Rider
Sound Recordist
Bob Penn
Still Photographer
Betty Parry
Continuity

Jim O'Connolly
Production Manager



















