The series premiered on the History Channel in July 1998 where it prevailed in the 8 o'clock Sunday evening slot for over two years.
Narrated by Charlton Heston, the series details facts and information derived from rare archival footage, formerly classified documents and messages, coupled with interviews with experts, authors and eyewitnesses from all over the world.
The series interviewed key participants in all of the important conflicts of the 20th century, including prominent authors with unique perspectives of the clandestine aspects of war.
The creators of Sworn To Secrecy worked with the top spies of the era: former Directors of the CIA James Woolsey, Richard Helms and Dr. James Schlesinger; former Chairmen of the KGB Generals Vladimir Semichastny and Alexander Shelepin (Russia); as well as former directors of the MOSSAD Meir Amit and Isser Harel.
Each one-hour episode tells a strong, specific and factual story, backed up by interviews, rare footage, 3D graphics, on-location shooting, historical retracing shots and extensive reenactments.