Double Agent Celery: MI5's Crooked Hero

This personal biography reveals the incredible true story of the British secret agent who posed as a Nazi spy during WWII.

With Britain braced for a German invasion, MI5 recruited Walter Dicketts, a former officer of the Royal Naval Air Force—and a known con artist—as a double agent. Codenamed Celery, Dicketts was sent to Lisbon with the mission of persuading the Germans he was a traitor and then extracting crucial secrets. Once there, the Nazis brought Dicketts to Germany, where he had to ...