"After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate."
George Segal
as Quiller
Alec Guinness
as Pol
Max von Sydow
as Oktober
Senta Berger
as Inge Lindt
George Sanders
as Gibbs
Robert Helpmann
as Weng
Robert Flemyng
as Rushington
Peter Carsten
as Hengel
Ernst Walder
as Grauber
Edith Schneider
as Headmistress
Philip Madoc
as Oktober's Man
Herbert Fux
as Oktobers Gefolgsmann
Herbert Stass
as Kenneth Lindsay Jones
Günter Meisner
as Hassler
John Rees
Bernard Barnsley
as Mr. 'F' (Uncredited)
Victor Beaumont
as Weiss (Uncredited)
Otto Friese
as Waiter (Uncredited)
Paul Hansard
as Doctor Loewe (Uncredited)
Philo Hauser
as Night Porter (Uncredited)
John Moulder-Brown
as Pupil with Inge (Uncredited)
Hans Schwarz Jr.
as Barman (Uncredited)
Claus Tinney
as Hughes (Uncredited)
Michael Anderson
Director
John Barry
Songs
Mack David
Lyricist
Harold Pinter
Screenplay
Original Music Composer
Erwin Hillier
Director of Photography
Frederick Wilson
Editor
Sydney Streeter
Production Supervisor
Maurice Carter
Art Direction
Clive Reed
Assistant Director
John Winbolt
Camera Operator
C. C. Stevens
Sound Recordist
John Aldred
Archie Ludski
Sound Editor
Arthur Taksen
Set Dresser
Bernard Williams
Unit Manager
Joan Kirk
Continuity
W.T. Partleton
Makeup Artist
Stella Rivers
Hair Designer
Les Bowie
Special Effects
Arthur Beavis
Ivan Foxwell
Producer
John Shinerock
Focus Puller
Charles Van der Goor
Sound
Trevor Dudley-Smith
Novel