Jonas Wilde, a British secret agent licensed to kill, wants to resign from his murderous work, but his superiors pressure him into taking on a new assignment-the assassination of a defecting Soviet scientist. In the course of the dangerous mission, he discovers a mole has infiltrated British intelligence.

Richard Johnson
as Jonas Wilde

Carol Lynley
as Jocelyn

Barbara Bouchet
as Marita

Sylvia Syms
as Barbara Canning

Gordon Jackson
as Brian Stern

Diana Dors
as Rhoda Gooderich

Maurice Denham
as Peter Ravenspur

Sam Wanamaker
as Lucinda

David Bauer
as Bennett

Robin Bailey
as Parsons
CinemaSerf
At times this is in danger of tripping over it's own cloak and stabbing itself, but Richard Johnson ("Wilde") still just about manages to keep it interesting for ninety minutes. He is a British secret agent who is charged with bumping off a Czech scientist who has defected to join the CIA in the UK....