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.

• The Rank Organisation
• Ivan Foxwell Productions
• George Segal
• Alec Guinness
• Max von Sydow
• Senta Berger
• George Sanders
• Robert Helpmann
• Robert Flemyng
• Peter Carsten