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 Sharansky commented with irony that conditions had improved slightly—the stark cell now featured a thin bench bolted to the middle of the floor. He said that if that bench had existed when he was there he could have utilized it to sleep, albeit uncomfortably. As a result of an international campaign led by his wife, Avital Sharansky (including assistance from East German lawyer Wolfgang Vogel, New York Congressman Benjamin Gilman and Rabbi Ronald Greenwald), Sharansky was released on 11 February 1986 as part of a larger exchange of detainees. He was the first political prisoner released by Mikhail Gorbachev due