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
Harry Andrews
as Canning
Julian Chagrin
as Matsys
