The last of three thrillers for the Easter holiday starring Michael Caine with Joseph O'Conor , Donald Pleasence John Tarrant , an agent in the Department of Subversive Warfare, is investigating an international arms syndicate. While on his secret mission, he learns that his son David has been kidnapped. What follows involves Tarrant in a fight not only for his son, but an attempt to uncover the spy in the midst of the espionage department.
Screenplay by LEIGH VANCE
Based on the novel Seven Days to a Killing by CLIVE EGLETON
Produced and directed by DON SIEGEL Films: page 17