Allan Segal act as a producer on the investigative current affairs programme World In Action. Over the next five years he produced and directed over twenty films, all over the world, and often in hostile circumstances necessitating the use of hidden cameras and undercover filming. In 1976, Segal and a small film crew risked life imprisonment by posing as tourists and illegally filming in Brezhnev's USSR. Using one of the first ever amateur 8 mm film cameras, they shot "A Calculated Risk", the story of Jewish refusenik Natan Sharansky (who went on to become Deputy Prime Minister of Israel) and his campaign
Natan Sharansky becoming a refusenik, Sharansky became a human rights activist, working as a translator for dissident and nuclear physicist Andrei Sakharov, and spokesman for the Moscow Helsinki Group and a leader for the rights of refuseniks. On 15 March 1977 Sharansky was arrested on multiple charges including high treason and spying for Americans. The accusation stipulated that he passed to the West lists of over 1,300 "refuseniks", many of whom were denied exit visas because of their knowledge of state secrets, which resulted in a publication by Robert C. Toth, "Russ Indirectly Reveal 'State Secrets': Clues in Denials of Jewish Visas".