Double Cross: The True Story of the D-Day Spies: The double agents who helped to make D-Day such a success. Double Cross: The True Story of the D-Day Spies airs on BBC Four HD at 9:00 PM, Wednesday 29 May. The double agents who helped to make D-Day such a success

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Sally George , Ben Macintyre , Matthew Whiteman , Current Affairs , True Story , D Day Spies ,