Havana, July 31 (RHC) –- The Discovery Channel announced the premiere of a documentary on Cuban Revolution leader Fidel Castro, who has been called the world's most watched man by U.S. intelligence services, according to the documentary.

The one-hour video includes testimonies by U.S. spies, CIA analysts and agents of Russia KGB. The documentary, which has been yet been broadcast, also reveals declassified documents never seen before.

The Discovery Channel expects to air the video by the last quarter this year, first in the United States and later in Latin America and other regions, according to AFP agency.

The announcement comes on the heels of the re-establishment of diplomatic relations between Cuba and the United States on July 20th.