The Black Windmill (1974)

A British agent's son is kidnapped and held for ransom.

Director: Don Siegel

Cast: Michael Caine, Donald Pleasence, Delphine Seyrig, Clive Revill, John Vernon, Joss Ackland, Janet Suzman, Catherine Schell, Joseph O'Conor, Denis Quilley, Derek Newark, Edward Hardwicke, Maureen Pryor, Joyce Carey, Preston Lockwood, Molly Urquhart, David Daker, Hermione Baddeley