Sly and dry intelligence agent Harry Palmer is tasked with investigating British Intelligence security, and is soon enmeshed in a world of double-dealing, kidnap and murder when he finds a traitor operating at the heart of the secret service.
Michael Caine
Nigel Green
Guy Doleman
Sue Lloyd
Gordon Jackson
Aubrey Richards
Frank Gatliff
Thomas Baptiste
Oliver MacGreevy
Freda Bamford
Pauline Winter
Anthony Blackshaw
Barry Raymond
Peter Ashmore
Stanley Meadows
David Glover
