A British agent's son is kidnapped and held for a ransom of diamonds. The agent finds out that he can't even count on the people he thought were on his side to help him, so he decides to track down the kidnappers himself.
Director: Don Siegel
Genre: Action, Crime, Thriller
Cast: Catherine Schell, Clive Revill, Delphine Seyrig, Denis Quilley, Derek Newark, Donald Pleasence, Edward Hardwicke, Janet Suzman, John Vernon, Joseph O'Conor, Joss Ackland, Joyce Carey