In Post-war America fear took on brand-new forms. The witch-hunt of superpower espionage swept the Western world. If you weren’t a patriot you were suspect.We needed heroes. We needed Mr X.Herbert Marshall played the function of agent Ken Thurston – the ‘Mr. X’ who travelled far and wide throughout the world as he unravelled dangerous cases. In this he was ably aided, or perhaps irritated, by a comedic side-kick; Pegon Zellschmidt.THE COUNTRY and ourselves were in safe hands even if he wasn’t.