A missing formula, a defecting Eastern European scientist kidnapped, car chases, foot chases, air chases, the British secret service, and a couple of American tourists caught right in the middle.

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Main Cast: Jeffrey Byron, Larry Cedar, Roy Kinnear, Lee Montague, Mona Washbourne, David Kossoff, Frank Windsor, Walter Gotell, Nigel Davenport, Dudley Sutton

Director: Robert Clouse

Writers: David E. Boston, Gail Morgan Hickman, David Assael, Martha Coolidge, Joshua Brand

Editors: Mike Campbell, Peter Boita

Cinematographer: Godfrey A. Godar

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